Multiple Choice
A random sample of size 36 is taken from a population with mean and standard deviation
. Refer to Exhibit 7-5.The probability that the sample mean is between 15 and 18 is _______.
A) 0.0228
B) 0.8185
C) 0.8413
D) 0.8641
Correct Answer:

Verified
Correct Answer:
Verified
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