Question

10. Assume that adults have IQ scores that are normally distributed with a mean of 101 and a standard deviation of 15. Find the third quartile Q3​, which is the IQ score separating the top​ 25% from the others.

The third​ quartile, Q3​, is_____

​(Round to one decimal place as​ needed.)

11. A survey found that​ women's heights are normally distributed with mean 63.6 in and standard deviation 2.3 in. A branch of the military requires​ women's heights to be between 58 in and 80 in.

a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too​ tall? ____

B. Are many women being denied the opportunity to join this branch of the military because they are too short or too​ tall?

A. No, because the percentage of women who meet the height requirement is fairly small.

B. Yes, because the percentage of women who meet the height requirement is fairly large.

C. Yes, because a large percentage of women are not allowed to join this branch of the military because of their height.

D. No, because only a small percentage of women are not allowed to join this branch of the military because of their height.

C. For the new height​ requirements, this branch of the military requires​ women's heights to be at least ___ in and at most ____ in.

​(Round to one decimal place as​ needed.)

Answer 1