Fill in the Blanks by Standardizing the Normally Distributed Variable

question 141

Multiple Choice

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 14 minutes and a standard deviation of 3 minutes. The percentage of
Time that the waiting time exceeds 12 minutes is equal to the area under the standard normal curve
That lies to the ___ of ___.

• A)left, -0.67
• B)right, -0.67
• C)left, 0.64
• D)right, 0.67

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