A randomly selected customer support wait time (from a normal distribution) is calculated to be 1.8 standard deviations above its mean. What is the probability that another randomly selected customer wait time from the distribution will be less than 1.8 standard deviations from the mean?
A) 0.0359
B) 0.9641
C) 0.9281
D) 0.9281 ..

Question

Quizplus · Accepted Answer

The probability that a value is less than 1.8 standard deviations from the mean in a normal distribution is approximately 0.9641. This is because the area under the normal distribution curve to the left of 1.8 standard deviations from the mean is about 0.9641, representing the probability of selecting a value less than this point.

A Randomly Selected Customer Support Wait Time (From a Normal