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Question a population has a standard deviation of 50 a

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Reference no: EM13585105

Question: A population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is:

a. 5

b. 9.8

c. 650

d. 609.8

Reference no: EM13585105

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