Question: 4. Help D Question 4 2 pts The average engineer salary is counted as $68 500 per year. If we suppose that the standard salary

4. Help

D Question 4 2 pts The average engineer salary is counted as $68 500 per year. If we suppose that the standard salary has mean of p = $68 500 and o = 500, nd the probability that a sample of 30 engineers will have an average salary lower than $68 220. Round your answer to the nearest thousandths place

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