If the average height for women is normally distributed with a mean of 65 inches and a standard deviation of 2.5 inches,then approximately 95% of all women should be between _____ and _____ inches in height.
A)62.5; 67.7
B)60; 70
C)57.5; 72.5
D)cannot determine from the information given

Question

Quizplus · Accepted Answer

The 95% range in a normal distribution is within two standard deviations from the mean. So, 65 - 2(2.5) = 60 and 65 + 2(2.5) = 70.

If the Average Height for Women Is Normally Distributed with a Mean