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For a Normal Curve,if the Mean Is 20 Minutes and the Standard

Question 24

Multiple Choice

For a normal curve,if the mean is 20 minutes and the standard deviation is 5 minutes,then the area between 22 and 25 minutes is:

A) 0.3413.
B) 0.1554.
C) 0.4967.
D) 0.1859.
E) 0.2248.

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