Given an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations, taken at random from this population, exceeds 78 is:
A) 0.4332 .
B) 0.0668 .
C) 0.0987
D)0.9013 .

Name: Given an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations, taken at random from this population, exceeds 78 is: A) 0.4332 . B) 0.0668 . C) 0.0987 D)0.9013 .
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Question

Given an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations, taken at random from this population, exceeds 78 is: 
A)  0.4332 . 
B)  0.0668 . 
C)  0.0987 
D)0.9013 .

Quizplus · Accepted Answer

The Answer is B

Given an Infinite Population with a Mean of 75 and a Standard