Salaries of Professors Narrative
Suppose that college faculty with the rank of professor at four-year institutions earn an average of $72,500 per year with a standard deviation of $4,500. In an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all four-year institutions in Canada.
-Refer to Salaries of Professors Narrative. Calculate the probability that the sample mean is greater than $75,000.

Question

Salaries of Professors Narrative
Suppose that college faculty with the rank of professor at four-year institutions earn an average of $72,500 per year with a standard deviation of $4,500. In an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all four-year institutions in Canada.
-Refer to Salaries of Professors Narrative. Calculate the probability that the sample mean  is greater than $75,000.

Quizplus · Accepted Answer

The Answer of Salaries of Professors Narrative
Suppose that college faculty with the rank of professor at four-year institutions earn an average of $72,500 per year with a standard deviation of $4,500. In an attempt to verify this salary level, a random sample of 60 professors was selected from a personnel database for all four-year institutions in Canada.
-Refer to Salaries of Professors Narrative. Calculate the probability that the sample mean  is greater than $75,000.