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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...
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:
Select one:
a. 0.4332.
b. 0.0668.
c. 0.0987.
d. 0.9013.
