Statistics

posted by .

Assuming that the heights of college women are normally distributed with mean 62 inches and standard deviation 3.5 inches, what percentage of women are between 58.5 inches and 72.5 inches?
34.1%
84.0%
13.6% is this correct
97.6%

• Statistics -

Z = (score - mean)/SD

Z = (58.5-62)/ 3.5 = -1

Z = (72.5-62)/3.5 = 3

It goes from one standard deviation below the mean to 3 above.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to those Z scores.

• Statistics -

my answer is equals 15.7 is this correct

• Statistics -

Assuming that the heights of college women are normally distributed with mean 62 inches and standard deviation 3.5 inches, what percentage of women are between 58.5 inches and 72.5 inches?
a. 13.6%
b. 84.0%
c. 97.6%
d. 34.1%
e. 15.7%

Similar Questions

1. Statistics

Assuming that the heights of college women are normally distributed with mean 62 inches and standard deviation 3.5 inches, what percentage of women are between 58.5 inches and 72.5 inches?
2. Statistics

Assume the heights of women are normally distributed with a mean given by 63.6 inches and a standard deviation given by 2.5 inches, the US Army requires women's height to be between 58 and 80 inches. Find the percentage of women meeting …
3. 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 over 70 inches tall?
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 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 …
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

Assuming that the heights of college women are normally distributed with mean 66 inches and standard deviation 2 inches, what percentage of women are shorter than 72 inches?
8. 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 …
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 young women are approximately Normal with 65 inches and standard deviation 2.5 inches. The heights of men in the same age group have mean 70 inches standard deviation 2 inches. What percentage of women are taller than …

More Similar Questions