Fill in the Blanks by Standardizing the Normally Distributed Variable

Fill in the blanks by standardizing the normally distributed variable.
-The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 15 minutes and a standard deviation of 2 minutes. The percentage of
Time that the waiting time is less than 11 minutes is equal to the area under the standard normal
Curve that lies to the ___ of ___.

A) right, 0.6
B) right, -2
C) left, -2
D) left, 2

Correct Answer:

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