Reference no: EM131112119
Question 1. Find the standardized variable z if x has Mean 12 and standard deviation 10.
Z = (x-10)/12
Z = (x-12)/10
Z = (12-x)/10
Z = (x+12)/10
Question 2. Find the area under the standard normal curve to the right of z = 1.55. Round to four decimal places.
.9394
.9505
.0606
.0485
Question 3. Find the area under the standard normal curve to the left of z = 2.63.
.0043
.0102
.9957
.9959
Question 4. Find the area under the standard normal curve over the interval z = -0.25 to z = 0.25. Compute probabilities using the standard normal table in Appendix B. Round the answer to four decimal places.
0.1974
0.0062
0.5987
0.3600
Question 5. Scores on a certain nationwide college entrance examination follow a normal distribution with a mean of 400 and a standard deviation of 100. Find the probability that a student will score over 500. Round your answer to four decimal places.
0.1587
0.1369
0.1459
0.7264
Question 6. Scores on a certain nationwide college entrance examination follow a normal distribution with a mean of 600 and a standard deviation of 100. Find the probability that a student will score between 410 and 700. Round your answer to four decimal places.
0.9635
0.7826
0.8347
0.8126
Question 7. A population has mean 53 and standard deviation 12. Calculate the mean of x bar for a random sample of size 10.
12
53
5.3
10
Question 8. A population has mean 37 and standard deviation 6. Calculate the standard deviation of x bar for a random sample of size 29.
1.1
1.3
.8
1.6
Question 9. Suppose the weights of packages of lettuce coming off a packaging line have a normal distribution with mean 8.1 ounces and standard deviation 0.7 ounce. If every package is labeled 6.7 ounces, what proportion of the packages weigh less than the labeled amount?
4%
84%
98%
2%
Question 10. Suppose the weights of the contents of cans of mixed nuts have a normal distribution with mean 32.6 ounces and standard deviation 0.4 ounce.
If two packages are randomly selected, what is the probability that the average weight is less than 32 ounces?
Round to one decimal place.
1.7%
2.3%
1.3%
2.5%
|
Describe compare and contrast the following common stock
: Describe, compare, and contrast the following common stock dividend valuation models: (a) Zero-growth, (b) Constant-growth, and (c) Variable-growth.
|
|
Abc inventory process
: Are there any companies that use the ABC Inventory process? If so, which and is it profitable?
|
|
Identify statistical tools and methods
: Identify the appropriate family of statistical tools that you will use to perform your analysis. What are your statistical assumptions concerning the data that led you to selecting this family of tools? In other words, why did you select this fami..
|
|
Evaluate the company as a potential employer
: Compare the difference between job satisfaction and organizational commitment. Determine which is more strongly related to performance for your selected company.
|
|
Find the area under the standard normal curve to the left
: Find the area under the standard normal curve to the right of z = 1.55. Round to four decimal places. Find the standardized variable z if x has Mean 12 and standard deviation 10.
|
|
What is the behavioral finance challenge to this hypothesis
: What does the efficient-market hypothesis (EMH) say about (a) Securities prices, (b) Their reaction to new information, and (c) Investor opportunities to profit? What is the behavioral finance challenge to this hypothesis?
|
|
Describe the events that occur in an efficient market
: Describe the events that occur in an efficient market in response to new information that causes the expected return to exceed the required return. What happens to the market value?
|
|
What role does an investment banker play in a public
: What role does an investment banker play in a public offering? Describe an underwriting syndicate.
|
|
Managing the inventory for the trendy upscale
: You are responsible for managing the inventory for the trendy upscale specialty food store, Partial Foods. You are trying to set the inventory policy for one of your most popular cheeses, Mad Cow Cheddar, which comes in 1 pound wheels. It is a ..
|