Question

a person must score in the upper 7% of the population on an admissions test to qualify for membership in society catering to highly intelligent individuals. if test scores are normally distributed with a mean of 110 and a standard deviation of 15, what is the minimum score a person must have to qualify for the society? (round your answer to the nearest integer.)

Answer 1

Below

Explanation:

Look for .9300 on the z-score table

= z-score = + 1.48

1.48 standard deciations = 1.48 * 15 = 22.2

110 + 22.2 = 132.2

132.2 is 1.48 standard deviations above the mean and is .9308 (93.08%)