Question

Assume that the heights of men are normally distributed with a mean of 69.9 inches and...

Assume that the heights of men are normally distributed with a mean of 69.9 inches and a standard deviation of 3.2 inches. The top 1% of the heights of the men will be selected for a
chance to try out for a pro basketball team. What is the minimum height needed to be selected to the team?

Out of 180 randomly selected adults in the United States who were surveyed, 74 exercise on a regular basis. Construct a 98% confidence interval for the proportion of all
adults in the United States.

The numbers of advertisements seen or heard in one week for 20 randomly selected people in the United States are listed below. Construct a 95% confidence interval for the true mean
number of advertisements seen or heard in one week.

598 494 441 595 728 690 684 486 735 808
481 298 135 846 764 317 649 732 582 677

If X is a normal random variable with mean 9.8, and P(x > 8.7) = .9364, then what
is the standard deviation of X?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Assume that the heights of men are normally distributed with a mean of 66.8 inches and...
Assume that the heights of men are normally distributed with a mean of 66.8 inches and a standard deviation of 6.7 inches. If 64 men are randomly selected, find the probability that they have a mean height greater than 67.8 inches.
Assume that the heights of men are normally distributed with a mean of 69.3 inches and...
Assume that the heights of men are normally distributed with a mean of 69.3 inches and a standard deviation of 3.5 inches. If 100 men are randomly selected, find the probability that they have a mean height greater than 70.3 inches.
Students should select one problem and solve. Post should include a detailed solution and explanation. 1....
Students should select one problem and solve. Post should include a detailed solution and explanation. 1. A random sample of 56 fluorescent light bulbs has a mean life of 645 hours. Assume the population standard deviation is 31 hours. Construct a 95% confidence interval for the population mean. 2. The standard IQ test has a mean of 96 and a standard deviation of 14. We want to be 99% certain that we are within 4 IQ points of the true...
Assume that the heights of men are normally distributed with a mean of 68.1 inches and...
Assume that the heights of men are normally distributed with a mean of 68.1 inches and a standard deviation of 2.1 inches. If 36 men are randomly​ selected, find the probability that they have a mean height greater than 69.1 inches. Round to four decimal places.
Assume that the heights of men are normally distributed with a mean of 70.8 inches and...
Assume that the heights of men are normally distributed with a mean of 70.8 inches and a standard deviation of 4.5 inches. If 45 men are randomly​ selected, find the probability that they have a mean height greater than 72 inches. ​(Round your answer to three decimal places​.)
15. Assume that the heights of men are normally distributed with a mean of 70 inches...
15. Assume that the heights of men are normally distributed with a mean of 70 inches and a standard deviation of 3.5 inches. If 100 men are randomly​ selected, find the probability that they have a mean height greater than 71 inches. A. 9.9671
Assume the heights of men are normally distributed, with mean 73 inches and standard deviation 4...
Assume the heights of men are normally distributed, with mean 73 inches and standard deviation 4 inches. If a random sample of nine men is selected, what is the probability that the mean height is between 72 and 74 inches? (Use 3 decimal places.)
The heights of 18-year-old men are normally distributed, with a mean of 68 inches and a...
The heights of 18-year-old men are normally distributed, with a mean of 68 inches and a standard deviation of 3 inches.  If a random sample of 45 men in this age group is selected, what is the probability that the sample mean is between 66 and 67.6 inches?
The heights of men are normally distributed with a mean of 69 inches and a standard...
The heights of men are normally distributed with a mean of 69 inches and a standard deviation of 2.8 inches. What height separates the lowest 14% of heights?
Men heights are assumed to be normally distributed with mean 70 inches and standard deviation 4...
Men heights are assumed to be normally distributed with mean 70 inches and standard deviation 4 inches; what is the probability that 4 randomly selected men have an average height less than 72 inches?