angelnjones42
angelnjones42
11.03.2020 • 
Business

Faculty Salaries Suppose that college faculty with the rank of professor at two-year institutions earn an average of $64,571 per year7 with a standard deviation of $4,000. In an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all two-year institutions in the United States.

a. Describe the sampling distribution of the sample mean width=.

b. Within what limits would you expect the sample average to lie, with probability .95?

c. Calculate the probability that the sample mean width=is greater than $66,000?

d. If your random sample actually

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