Question

Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5.
a. What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x sampling distribution.
b. What is the approximate probability that x will be within 0.5 of the population mean m?
c. What is the approximate probability that x will differ from m by more than 0.7?


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  • CreatedSeptember 19, 2015
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