Suppose the average number of returns processed by employees of a tax preparation service during tax season is 12 per day with a standard deviation of 55 per day. A random sample of 36 employees taken during tax season revealed the number of returns processed daily shown below. Use these data to answer parts a through c.

99	1515	1818	1010	1414	1010	88	1515	1515	1616	1313	1515	1414	99	1616	1515	1313	1212
88	1010	88	1414	1616	1212	88	1616	1111	1212	99	1717	44	55	2424	88	1010	2121

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Part 1

a. What is the probability of having a sample mean equal to or smaller than the sample mean for this sample if the population mean is 12 processed returns daily with a standard deviation of

55 returns per day?

The probability is enter your response here.