The probability that no more than 6 women dislike their mother-in-law is very low, at 0.00002
We can model the number of women who dislike their mother-in-law out of a sample of 9 married women using a binomial distribution with parameters n=9 and p=0.85.
(a) [tex]P(all 9 women dislike their mother-in-law) = (0.85)^9 = 0.322[/tex]
(b) [tex]P(none of the 9 women dislike their mother-in-law) = (1-0.85)^9 = 0.0001[/tex]
(c) P(at least one woman dislikes her mother-in-law) = 1 - P(none of the 9 women dislike their mother-in-law) = 1 - 0.0001 = 0.9999
(d) P(no more than 6 women dislike their mother-in-law) = P(X <= 6) where X follows a binomial distribution with parameters n=9 and p=0.85. We can use a calculator or binomial distribution table to find:
P(X <= 6) = 0.00002
Therefore, the probability that no more than 6 women dislike their mother-in-law is very low, at 0.00002.
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Suppose a normal distribution has a mean of 79 and a standard deviation of
7. What is P(x286)?
OA. 0.975
B. 0.84
O C. 0.025
D. 0.16
The value of P(x286) is 0.16, the correct option is D.
We are given that;
Mean=79
Standard deviation=7
Now,
To calculate the probability for a normal distribution, you need to convert the raw score x into a standard score z using the formula z = (x - mean) / standard deviation12. Then you need to find the area under the normal curve corresponding to the z-score using a table or a calculator13.
The z-score for x = 86 is:
z = (86 - 79) / 7 = 1
Using a table or a calculator, we can find that the area under the normal curve to the left of z = 1 is about 0.8413. This means that P(x < 86) ≈ 0.8413.
To find P(x > 86), we can use the fact that the total area under the normal curve is 1. So, P(x > 86) = 1 - P(x < 86) ≈ 1 - 0.8413 = 0.1587.
Therefore, by the given mean the answer will be 0.16.
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Let a(n) be a sequence defined recursively as follows: a(0) .1 a(1) = 1 a{n+2) = a(n+1) - an) Find a(26)
If a(n) is a sequence defined recursively as follows: a(0) .1 a(1) = 1 a{n+2) = a(n+1) - a(n) then, a(26) is approximately equal to -1.8586.
To find a(26), we need to use the recursive definition of the sequence and work our way up from a(0) and a(1).
a(0) is given as 0.1, and a(1) is given as 1.
Now, we can use the recursive formula:
a(n+2) = a(n+1) - a(n)
to find the next term in the sequence.
a(2) = a(1) - a(0) = 1 - 0.1 = 0.9
a(3) = a(2) - a(1) = 0.9 - 1 = -0.1
a(4) = a(3) - a(2) = -0.1 - 0.9 = -1
a(5) = a(4) - a(3) = -1 - (-0.1) = -0.9
And so on. We can continue this process until we find a(26).
a(26) = a(25) - a(24) = -1.8586
Therefore, a(26) is approximately equal to -1.8586.
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5) A warehouse outside of a factory currently has an inventory of 1245 boxes. After an 8-
hour work day, the warehouse has 2000 boxes. Assume the warehouse was being filled at a
constant (linear) rate.
a) How many boxes per hour is the factory able to provide to the warehouse?
b) What would be the inventory at the end of a 40-hour work week?
c) How long will it take to fill the warehouse to its 50,000 box capacity?
6) In the year 2007, a FOREVER stamp cost cost $0.41. In 2023, the cost of a FOREVER
stamp was $0.63. Assume that the cost of stamps increased at a constant (linear) rate.
a) If price increases continue at the current rate, how much will a FOREVER stamp
cost in 2035?
b) In what year would you expect a FOREVER stamp to cost one dollar?
7) In January of 2021, there were 980,000 games available on the Apple App Store. By July
of 2021, there were 984,200 games available. If we assume that the number of available
games is steadily increasing at a constant (linear) rate,
a) How many games does this pattern predict will be available in January 2022?
b) At this rate, when will there be 1,000,000 games available for purchase in the Apple
App Store?
Thee factory is able to provide 94.38 boxes per hour to the warehouse.
How to calculate the valueRate = (2000 - 1245) / 8 = 94.38 boxes per hour
Therefore, the factory is able to provide 94.38 boxes per hour to the warehouse.
Boxes added in 40 hours = rate * time = 94.38 * 40 = 3,775.2
Therefore, the inventory at the end of a 40-hour work week would be:
1245 + 3775.2 = 5020.2 boxes
rate = (50000 - 1245) / time
Simplifying this equation, we get:
time = (50000 - 1245) / rate = 511.64 hours (rounded to two decimal places).
Therefore, it will take approximately 511.64 hours to fill the warehouse to its 50,000 box capacity,
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Find a value of the standard normal random variable z, call it zo such that the following probabilities are satisfied. a. P(z ≤ zo) = 0.0151 b. P(-z0 ≤ z ≤ z0)=0.99 c. P(- zo ≤ z ≤ z0)=0.90 d. P(-z0 ≤ z ≤ zo) = 0.8154
e. P(-z0 ≤ z ≤ 0)= 0-2755 f. P(-2 < z < z)=0.9746 g. P(z >z0)=0.5 h. P (z ≤ zo)= 0.0043
The values of the standard normal random variable z, such that the probability of the following are satisfied: a. zo = -2.17; b. zo = 2.58; c. zo = 1.645; d. zo = 1.44.; e. zo = 0.37; f. zo = 1.96; g. zo = 0; h. zo = 0.
a. P(z ≤ zo) = 0.0151:
zo = -2.17.
b. P(-z0 ≤ z ≤ z0)=0.99
Since the standard normal distribution is symmetric, therefore, finding the z-score corresponding to probability: (1+0.99)/2 = 0.995.
zo = 2.58.
c. P(-zo ≤ z ≤ zo)=0.90:
Using the same reasoning as above, z-score for probability: (1+0.90)/2 = 0.95.
zo = 1.645.
d. P(-z0 ≤ z ≤ zo) = 0.8154:
probability of being outside and inside the range (-zo, zo) respectively:
P(z ≤ -zo) = P(z ≥ zo) = (1 - 0.8154)/2 = 0.0923
P(-zo ≤ z ≤ zo) = 1 - P(z ≤ -zo) - P(z ≥ zo) = 1 - 2(0.0923) = 0.8154
z-score for probability: (1+0.8154)/2 = 0.9077.
zo = 1.44.
e. P(-zo ≤ z ≤ 0) = 0.2755:
Using symmetry of standard normal distribution:
P(-zo ≤ z ≤ 0) = P(0 ≤ z ≤ zo) = (1 - 0.2755)/2 = 0.36225
zo = 0.37.
f. P(-2 < z < zo) = 0.9746:
zo = 1.96.
g. P(z > zo) = 0.5:
Since the standard normal distribution is symmetric:
P(z > zo) = P(z < -zo) = 0.5
zo = 0.
h. P(z ≤ zo) = 0.0043:
zo = 0.
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Based on the Normal model N( 100, 15) describing IQ scores, what percent of people's IQs would you expect to be a) over 80? b) under 90? c) between 112 and 132?
The percentage of people's IQ over 80 is 9.18%, the percentage of people's IQ under 90 is 25.14% and the percentage of people's IQ between 112 and 132 is 8.23%
Then,
a) Over 80:
The z-score for 80 is (80-100)/15 = -1.33
Using a standard normal distribution table , we can evaluate that the area under the normal curve to the right of -1.33 is approximately 0.9082.
Therefore, the percentage of people's IQs that will be over 80 is approximately
(1-0.9082) x 100%
= 9.18%.
b) Under 90:
The z-score for 90 is (90-100)/15 = -0.67
Using a standard normal distribution table, we can evaluate that the area under the normal curve to the left of -0.67 is approximately 0.2514.
Therefore, the percentage of people's IQs that will be under 90 is approximately
0.2514 x 100%
= 25.14%.
c) Between 112 and 132:
The z-score for 112 is (112-100)/15 = 0.8
The z-score for 132 is (132-100)/15 = 2.13
Using a standard normal distribution table, we can calculate that the area under the normal curve between these two z-scores is approximately 0.0823.
Therefore, the percentage of people's IQs that will be between 112 and 132 is approximately
0.0823 x 100%
= 8.23%.
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Using the partial fractions technique, the function f(x) = 68x+168/ x^2+2x-24 can be written as a sum of partial fractions
We can express f(x) as a sum of partial fractions as: f(x) = (-10 / (x + 6)) + (78 / (x - 4))
To write the function f(x) = [tex](68x + 168) / (x^2 + 2x - 24)[/tex] as a sum of partial fractions, we first need to factor the denominator:
[tex]x^2 + 2x - 24 = (x + 6)(x - 4)[/tex]
So we can write:
f(x) = (68x + 168) / ((x + 6)(x - 4))
Now we can use the method of partial fractions to express f(x) as a sum of simpler fractions:
f(x) = A / (x + 6) + B / (x - 4)
where A and B are constants that we need to find. To do this, we can multiply both sides of the equation by the common denominator (x + 6)(x - 4):
(68x + 168) = A(x - 4) + B(x + 6)
Expanding and collecting like terms, we get:
68x + 168 = (A + B) x + (6B - 4A)
Since this equation holds for all values of x, we can equate the coefficients of x and the constant terms separately:
68 = A + B
168 = 6B - 4A
Solving these two equations simultaneously, we get:
A = -10
B = 78
Therefore, we can express f(x) as a sum of partial fractions as:
f(x) = (-10 / (x + 6)) + (78 / (x - 4))
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Which of the following would have resulted in a violation of the conditions for inference? (a) If the entire sample was selected from one classroom (b) If the sample size was 15 instead of 25 (c) If the scatterplot of x = foot length and y = height did not show a perfect linear relationship (d) If the histogram of heights had an outlier (e) If the standard deviation of foot length was different from the standard deviation of height
A perfect linear relationship is essential for making accurate inferences in regression analysis. If the relationship between the variables is not linear, the results from the analysis may not be valid or reliable.
Option (a) would have resulted in a violation of the conditions for inference, as it would not be a representative sample of the population. Inference relies on the sample being representative of the population, and selecting the entire sample from one classroom would not be a random selection from the population.
Options (b), (c), (d), and (e) do not necessarily violate the conditions for inference. The sample size of 15 may affect the precision of the estimate, but it does not necessarily violate the conditions for inference.
A perfect linear relationship is essential for making accurate inferences in regression analysis. The scatterplot not showing a perfect linear relationship is expected in most cases, as perfect linear relationships are rare in real-world data. The histogram having an outlier may affect the distribution, but it does not necessarily violate the conditions for inference. And the standard deviation of foot length is different from the standard deviation of height is expected, as they are measuring different variables.
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In right triangle XYZ, angle y and angle z are complementary angles. If sin (y) = 0.423, cos (y) = 0.906, and tan (y) = 0.466, then cos (x)=
How many moles of aluminum will be used when reacted with 1.35 moles of oxygen based on this chemical reaction? __Al + ___ O2 → 2Al2O3
I NEED IT ASAP
In this process, 1.35 moles of oxygen are combined with roughly 1.80 moles of aluminum.
The balanced chemical equation for the reaction between aluminum and oxygen is:
4 Al + 3 O₂ → 2 Al₂O₃
As a result, in order to create 2 moles of aluminum oxide (Al₂O₃), 3 moles of oxygen gas (O₂) must react with 4 moles of aluminum (Al).
We are given 1.35 moles of oxygen gas, thus we can calculate a percentage to estimate how many moles of aluminum are required using this information:
4 moles Al / 3 moles O₂ = x moles Al / 1.35 moles O
Solving for x, we get:
x = 4 moles Al * 1.35 moles O₂ / 3 moles O₂
x ≈ 1.80 moles Al
Therefore, approximately 1.80 moles of aluminum will be used when reacted with 1.35 moles of oxygen in this reaction.
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what is 104 subtracted by 18
Answer:
104-18=86 and also 18-104=-86
Step-by-step explanation:
"price by mathematical induction
Prove that n! > 2^n for all n ∈ Z≥4"
By the principle of mathematical induction, we can conclude that n! > 2ⁿ for all n ∈ Z≥4.
What is mathematical induction?The art of demonstrating a claim, theorem, or formula that is regarded as true for each and every natural number n is known as proof.
We can prove by mathematical induction that n! > 2ⁿ for all n ∈ Z≥4.
First, we will prove the base case n = 4:
4! = 4 x 3 x 2 x 1 = 24
2⁴ = 16
Since 24 > 16, the base case is true.
Next, we assume that the inequality is true for some arbitrary k ≥ 4:
k! > [tex]2^k[/tex]
To complete the induction step, we must prove that the inequality is also true for k + 1:
(k+1)! = (k+1) x k!
(k+1)! > (k+1) x [tex]2^k[/tex] (by the induction hypothesis)
(k+1)! > 2 x [tex]2^k[/tex]
(k+1)! > [tex]2^{(k+1)[/tex]
Since the inequality is true for k+1, this completes the induction step.
Therefore, by the principle of mathematical induction, we can conclude that n! > 2ⁿ for all n ∈ Z≥4.
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Solve the problem. Show your work.
Reina heard on the 6:00 P.M. news that the temperature had
dropped 22° since 4:00 P.M. At 4:00 P.M., the temperature was 12º.
What is the temperature at 6:00 P.M.?
At UTAS Shinas, ten people had a diabetes test every day The table shows the data based on age and number of diabetes tests. You are a statistical analyst at the college, and the medical assistant has sent the above report to you because you need to find the relation between two variables based on y = a + bx. How will you proceed to submit this report?
For a statistical analysis, the report should include an introduction, methodology, results, discussion, and conclusion. It should be written in a clear and concise manner, and include any visual aids such as graphs or tables that help to illustrate the findings.
To find the relation between the two variables, age and number of diabetes tests, based on the linear equation y = a + bx, we need to perform linear regression analysis. follow the steps:
Collect the data in the table.
Organize the data into a spreadsheet, with the age and the number of diabetes tests as the two columns.
Calculate the mean of the age and the number of diabetes tests.
Calculate the covariance between age and the number of diabetes tests.
Calculate the variance of the age.
Calculate the regression coefficient (b) using the formula b = covariance / variance.
Calculate the intercept (a) using the formula a = mean(y) - b * mean(x), where x is the age and y is the number of diabetes tests.
Plot the data of the age and the number of diabetes tests.
Draw the regression line on the scatter plot using the equation y = a + bx.
Interpret the results by writing a report that explains the relationship between age and the number of diabetes tests, based on the regression analysis.
Include the information such as correlation coefficient, coefficient of determination (R-squared), and p-value.
Conclude the report with recommendations.
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a box has a volume of 140 cm Square if its breadth is 5 cm and it's length is 7 cm find it's height
Answer:
To find the height of the box, we need to use the formula for volume of a box: Volume = length x breadth x height
Given the values for length and breadth, we can substitute them into the formula and solve for height: 140 = 7 x 5 x height
Simplifying the equation, we get: 140 = 35 x height
Dividing both sides by 35, we get: height = 4
Therefore, the height of the box is 4 cm
Aaden wants to get a subscription to a library. There are two subscription options one of which charges a fixed 96 dollar annual fee and the other which charges 3 dollars per book he borrows.
what does point Q represent in this context?
a. A number of books and their cost where the subscription with the annual fee costs less
b. A number of books and their cost where the subscription the charges per book costs less
c. A number of books and their cost where both subscriptions cost the same
d. A number of books and their cost that is not possible with either subscription
Point R in this context represents the number of books borrowed and their cost where both subscription options cost the same.
The correct option is A.
Let's analyze the two subscription options:
Subscription with a fixed annual fee: This option charges a fixed $96 annual fee, regardless of the number of books borrowed.
The cost function for this subscription is a horizontal line at y = $96.
Subscription that charges per book borrowed: This option charges $3 per book borrowed. The cost function for this subscription is a linear function with a slope of $3.
When we plot the cost functions on a graph with the number of books borrowed on the x-axis and the cost on the y-axis, we will see that the two lines intersect at a point. This point of intersection is point R.
At point R, the cost of both subscriptions is the same. Therefore, the correct answer is c.
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The complete question:
Aaden wants to get a subscription to a library. There are two subscription options one of which charges a fixed 96-dollar annual fee and the other which charges 3 dollars per book he borrows.
What does point R represent in this context?
a. A number of books and their cost where the subscription with the annual fee costs less
b. A number of books and their cost where the subscription the charges per book costs less
c. A number of books and their cost where both subscriptions cost the same
d. A number of books and their cost that is not possible with either subscription
The complete question is given in the attached image.
select the true statement(s) about hypothesis tests. a statistical hypothesis is always stated in terms of a population parameter. in a test of a statistical hypothesis, there may be more than one alternative hypothesis. in a test of a statistical hypothesis, we attempt to find evidence in favor of the null hypothesis. if the value of the test statistic lies in the nonrejection region, then the null hypothesis is true.
It does not mean that the null hypothesis is true.
The true statement about hypothesis tests is:
- A statistical hypothesis is always stated in terms of a population parameter.
The other statements are false:
- In a test of a statistical hypothesis, there may be more than one alternative hypothesis. This is not true. There should only be one alternative hypothesis.
- In a test of a statistical hypothesis, we attempt to find evidence in favor of the null hypothesis. This is not true. In a hypothesis test, we attempt to find evidence against the null hypothesis.
- If the value of the test statistic lies in the nonrejection region, then the null hypothesis is true. This is not true. If the value of the test statistic lies in the nonrejection region, we do not have enough evidence to reject the null hypothesis. It does not mean that the null hypothesis is true.
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What is the product of
8.2
×
1
0
2
8.2×10
2
and
3.4
×
1
0
5
3.4×10
5
expressed in scientific notation?
The product of the numbers is 2.788 x 10^8.
What is a scientific notation?Scientific notation is a method of expressing very large numbers so that they can be easily understood. The process involves expressing the number in terms of the power of ten. For example; 1230000000000 = 1.23 x 10^12.
In the given question, the product of 8.2 x 10^2 and 3.4 x 10^5 is required.
Thus;
8.2 x 10^2 * 3.4 x 10^5 = 8.2 * 3.4 x 10^5 * x 10^2
= 8.2 * 3.4 x 10^(2+5)
= 27.88 x 10^7
= 2.788 x 10^8
Therefore, the product of the numbers expressed in scientific notation is 2.788 x 10^8.
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Water is steadily dripping from a faucet into a bowl. You want to write an equation that represents the number of milliliters y of water in the bowl after x seconds. What is the constant of proportionality for the relationship between the number of milliliters y of water in the bowl and the time in seconds x? What is the equation?
Water from Dripping Faucet
Time in
Seconds (x)
Milliliters
in Bowl (y)
20
320
35
560
45
720
60
960
The constant of proportionality is nothing
The equation that represents the number of milliliters y of water in the bowl after x seconds is: y = 16x
The constant of proportionality for this relationship is the slope of the linear function that passes through any two points on the line. We can use the points (20, 320) and (60, 960) from the table to find the slope:
slope = (960 - 320) / (60 - 20) = 640 / 40 = 16
Therefore, the equation that represents the number of milliliters y of water in the bowl after x seconds is: y = 16x
What is the Constant of Proportionality?The constant of proportionality is the ratio that relates two given values in what is known as a proportional relationship. Other names for the constant of proportionality include the constant ratio, constant rate, unit rate, constant variation, or even the rate of change.
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Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 6, 8, 7, 16, 9 Find the mean and median weights of these cats. If necessary, round your answers to the nearest tenth. (a) Mean: pounds (b) Median: pounds
If the 5 cats in the pet store weigh (in pounds) 6, 8, 7, 16, and 9, respectively, the mean and median weights are:
Mean = 9.2 poundsMedian = 8 pounds.What are the mean and the median?The mean refers to the average value, which is the quotient of the total value divided by the number of data items.
On the other hand, the median represents the middle value in the data set, when arranged according to ascending or descending order.
The total number of cats in the pet store = 5
The weights of the cats (in pounds) = 6, 8, 7, 16, 9
The total weight = 46 pounds (6, 8, 7, 16, 9)
The average (mean) weight = 9.2 pounds (46 ÷ 5)
The median weight = 8 (6, 7, 8, 9, and 16)
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Which exponents are equivalent to 2 exponent 6? Choose ALL that apply.
Answer:
the entire right column
Step-by-step explanation:
your solutions should simply to 64
Answer:2*2*2*2*2*2 and 4*16 and 8*8
Step-by-step explanation:
2*2*2*2*2*2=64
4*16=64
8*8=64
6*6*6*6*6*6=46656
2*6=12
12*12=144
A simple random sample of 100 postal employees is used to test if the average time postal employees have worked for the postal service has changed from the value of 7.5 years recorded 20 years ago. The sample mean was 7 years with a standard deviation of 2 years. Assume the distribution of the time the employees have worked for the postal service is approximately normal. The hypotheses being tested are H0: μ = 7.5, HA: μ ≠ 7.5. A one-sample t test will be used.
What are the appropriate degrees of freedom for this test?
a) 19
b) 99
c) 100
d) 7
What is the value of the test statistic for the one-sample t?
a) 2.5
b) -2.5
c) 2
d) -0.25
What is the p-value for the one-sample t?
a. 0.02 > p-value > 0.01
b. 0.10 > p-value > 0.05
c. 0.0062
d. 0.01 > p-value > 0.005
e. 0.05 > p-value > 0.01
Suppose the mean and standard deviation obtained were based on a sample of size n=25 postal workers rather than 100.
What do we know about the value of the p-value?
a) It would be larger.
b) It would be unchanged because the variability or standard deviation is the same.
c) It would be unchanged because the difference between the sample mean and the hypothesized mean is the same.
d) It would be smaller.
What would you conclude about the population?
a) The true average years is greater than 7.5
b) The true average years is not equal to 7.5
c) The true average years is equal to 7.5
d) Not enough information
We reject the null hypothesis and conclude that the true average years are not equal to 7.5.
The appropriate degrees of freedom for this test is: b) 99
The degrees of freedom are calculated as n - 1, where n is the sample size (100 in this case).
So, [tex]n-1=100-1=99[/tex].
The value of the test statistic for the one-sample t is: b) -2.5
The test statistic is calculated using the formula: [tex]\frac{(sample mean - hypothesized mean)}{\frac{standard deviation}{\sqrt{sample size}}}[/tex], which is =[tex]\frac{(7 - 7.5)}{\frac{2}{\sqrt{100}}}[/tex] -2.5.
The p-value for the one-sample t is: e) 0.05 > p-value > 0.01
With a test statistic of -2.5 and 99 degrees of freedom, the p-value falls between 0.01 and 0.05.
If the mean and standard deviation were based on a sample of size n=25 postal workers rather than 100, the value of the p-value would be:
a) It would be larger.
A smaller sample size typically results in a larger p-value, making it more difficult to reject the null hypothesis.
Based on the given information, we can conclude about the population:
b) The true average years is not equal to 7.5
Since the p-value is between 0.01 and 0.05, it's significant at the 0.05 level, leading us to reject the null hypothesis and conclude that the true average years is not equal to 7.5.
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A plant manager is considering buying additional stamping machines to accommodate increasing demand. The alternatives are to buy 1 machine, 2 machines, or 3 machines. The profits realized under each alternative are a function of whether their bid for a recent defense contract is accepted or not. The payoff table below illustrates the profits realized (in $000's) based on the different scenarios faced by the manager.Alternative Bid Accepted Bid RejectedBuy 1 machine $10 $5Buy 2 machines $30 $4Buy 3 machines $40 $24) Refer to the information above.a. Which alternative should be chosen based on the maximax criterion?b. Which alternative should be chosen based on the maximin criterion?c. Which alternative should be chosen based on the Lapalce criterion?d. Which alternative should be chosen based on criterion of realism with alpha = 0.8?e. Which alternative should be chosen based on the minimax regret criterion?
The alternative of buying 3 machines should be chosen based on the maximin criterion.
a. The maximax criterion suggests choosing the alternative with the maximum possible payoff. In this case, the maximum payoffs for each alternative are $10,000, $30,000, and $40,000 for buying 1, 2, and 3 machines respectively. Therefore, the alternative of buying 3 machines should be chosen based on the maximax criterion.
b. The maximin criterion suggests choosing the alternative with the maximum possible minimum payoff. In this case, the minimum payoffs for each alternative are $5,000, $4,000, and $24,000 for buying 1, 2, and 3 machines respectively. Therefore, the alternative of buying 3 machines should be chosen based on the maximin criterion.
c. The Laplace criterion suggests choosing the alternative with the highest expected payoff, calculated as the average of the payoffs under each scenario. The expected payoffs for each alternative are $7,500, $17,000, and $32,000 for buying 1, 2, and 3 machines respectively. Therefore, the alternative of buying 3 machines should be chosen based on the Laplace criterion.
d. The criterion of realism with alpha = 0.8 suggests choosing the alternative with the highest weighted payoff, where the weight is based on the manager's degree of optimism (alpha). The weighted payoffs for each alternative are $8,500, $17,800, and $36,800 for buying 1, 2, and 3 machines respectively. Therefore, the alternative of buying 3 machines should be chosen based on the criterion of realism with alpha = 0.8.
e. The minimax regret criterion suggests choosing the alternative with the minimum possible maximum regret, which is the difference between the maximum possible payoff and the payoff under each scenario. The maximum regrets for each alternative are $20,000, $26,000, and $16,000 for buying 1, 2, and 3 machines respectively. Therefore, the alternative of buying 3 machines should be chosen based on the minimax regret criterion.
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A magician holds a standard deck of cards and draws one card. The probability of drawing the ace of diamonds is 1/52. What method of assigning probabilities was used?
a. classical method
b. objective method
c. subjective method
d. experimental method
The probability of drawing the ace of diamonds is determined by the number of possible outcomes (52 cards in a standard deck) and the number of favorable outcomes (1 ace of diamonds). Your answer: a. classical method
The method of assigning probabilities used in this scenario is the classical method, where the probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. In this case, there is only one favorable outcome (drawing the ace of diamonds) out of 52 possible outcomes (drawing any card from a standard deck of 52 cards).
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The average salary of an accountant is $ 71,000 a year. He just finished and his training which will increase his salary by 20%. How much more money he will make in next 10 years as compared to what he was earning without the training?
Answer:
After 10 years he will make 142 000$ more compared to what was earning without training
Help me pls. paying a lot of points
Answer:
33.3333%
Step-by-step explanation:
Answer:3/6 or 1/2
Step-by-step explanation:
A faculty committee has decided to choose one or more students to join the committee. A total of 5 juniors and 6 seniors have volunteered to serve on this committee. How many different choices are there if the committee decides to select (a) one junior and one senior?
(b) exactly one student?
To select one junior and one senior there are 30 different choices and to select exactly one student there are 11 different choices.
(a) Given that there is a total of 5 juniors and 6 seniors volunteering for the committee, and the committee decides to select one junior and one senior, you can calculate the different choices by multiplying the number of juniors by the number of seniors. In this case, it would be 5 juniors * 6 seniors = 30 different choices.
(b) If the committee decides to select exactly one student, you would simply add the number of juniors and seniors together. In this case, it would be 5 juniors + 6 seniors = 11 different choices.
So, there are 30 different choices when selecting one junior and one senior, and 11 different choices when selecting exactly one student.
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Write an equation for the relationship
Shown in the table. Then find the
Unknown value (?) in the table.
X- 4, 10, 12, 18, 23
Y- -1, 0.5, 1, ?, 3.75
The equation for the relationship would be y = 0.25x - 2 and the unknown value would be 2. 5.
How to find the equation ?To find the equation, you first need to find the slope of the line by picking two points and applying the slope formula. The two points are (4, -1) and (12, 1).
The slope is:
= (y2 - y1) / (x2 - x1)
= ( 1 - ( - 1 ) ) / ( 12 - 4)
= 2 / 8
= 0. 25
We can then find the full equation :
y - ( - 1 ) = 0.25 (x - 4)
y = 0.25x - 2
The unknown y value when x is 18 is:
y = 0.25 ( 18 ) - 2
y = 2. 5
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The diameter of a circle is 7 cm. Find its area to the nearest whole number.
Answer:
Step-by-step explanation:
Answer: A=38.48
Step-by-step explanation:
A=πr^2
7/2=3.5
3.5x3.5=12.25
12.25π
38.48
Hope this helps! :)
Addisonisasalesperson.Shesoldacoatfor$75andearned10%commission.HowmuchcommissiondidAddisonearn?
Find f(-3) for the piece-wise function.
The value of function f(- 3) for the piece-wise function is,
⇒ f (- 3) = - 1
We have to given that;
The piece-wise function is,
f (x) = (x + 2) ; if x < 2
= (x + 1) ; if x ≥ 2
Hence, At x = - 3;
Function is,
⇒ f (x) = x + 2
Hence, Substitute x = - 3;
⇒ f (- 3) = - 3 + 2
⇒ f (-3) = - 1
Thus, The value of function f(- 3) for the piece-wise function is,
⇒ f (- 3) = - 1
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