A plant manager knows that the number of boxes of supplies received weekly is normally distributed with a mean of 200 and a standard of 20.
-What percentage of the time will the number of boxes received weekly be greater than 200?
A)6844
B)5000
C)8913
D)7500
E)6332

Question

Quizplus · Accepted Answer

In a normal distribution, the mean divides the distribution into two equal halves. Since 200 is the mean, 50% of the values lie above it and 50% below it. Therefore, the percentage of time the number of boxes received weekly will be greater than 200 is 50%.

A Plant Manager Knows That the Number of Boxes of Supplies