In a distribution with a mean of 100 and a standard deviation of 15,the probability that a score will be 115 or higher is ______.
A)506%
B)84%
C)16%
D)34%

Question

Quizplus · Accepted Answer

A score of 115 is one standard deviation above the mean in a normal distribution. In a normal distribution, about 84% of scores are below one standard deviation above the mean, leaving about 16% of scores above this point.

In a Distribution with a Mean of 100 and a Standard