# Statistics

posted by Stacey Moore

The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is over 70 inches tall?

1. PsyDAG

Z = (score-mean)/SD

Calculate the Z score and find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.

## Similar Questions

1. ### statistics

The distribution of the heights of men in the U.S. is normally distributed with a mean of 70 inches and a standard deviation of 5 inches. a) What is the probability of an american male being less than 60 inches tall?
2. ### statistics

the distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inche and standard deviation 2.5 inches. what is the probability that a randomly seleted woman is between 60 and 64 inches …
3. ### statistics

The heights of American women aged 18 to 24 are normally distributed with a mean of 66 inches and a standard deviation of 2.5 inches. In order to serve in the U.S. Army, women must be between 57 inches and 79 inches tall. What percentage …
4. ### statistics

The heights of American women aged 18 to 24 are normally distributed with a mean of 66 inches and a standard deviation of 2.5 inches. In order to serve in the U.S. Army, women must be between 57 inches and 79 inches tall. What percentage …
5. ### statistics

The heights of South African men are normally distributed with a mean of 64 inches and a standard deviation of 2 inches. a) What is the probability that a randomly selected woman is taller than 66 inches?
6. ### Statistics

The distribution of heights of women aged 20 to 29 is approximately Normal with mean 63.6 inches and standard deviation 3 inches. The height (± 0.1 inch) of the middle 68% of young women falls between a low of inches and a high of …
7. ### statistics

The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is between 60 and 64 …
8. ### MBA

1- The height of adult women in the United States is normally distributed with mean 64.5 inches and standard deviation 2.4 inches. Find the probability that a randomly chosen woman is (a) Less than 63 inches tall (b) Less than 70 inches …
9. ### math

The heights of American women between the ages of 18 and 24 are approximately normally distributed. The mean is 64.1 inches, and the standard deviation is 2.5 inches. What percentage of such women are over 5 feet 8 inches tall?
10. ### Statistics

The heights of American women ages 18 to 29 are normally distributed with a mean of 64.3 inches and a standard deviation of 3.8 inches. An American woman in this age bracket is chosen at random. What is the probability that she is …

More Similar Questions