デジタル形式で段階的に解決 ありがとう!! SOLVE STEP BY STEP IN DIGITAL FORMAT In Indiana the average annual salary for a federal government employee is $41,979 (The World Almanac, 2001). Use this figure as the population mean and assume that the population standard deviation is \sigma = $5000. Suppose a sample of 50 of these federal government employees is selected. a) What is the value of the standard error of the mean? b). What is the probability that the sample mean is greater than $41,9797?

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