Question: please use excel to find these solutions and dont round answers Answers are NOT: 0.4839, 50.095 a A Market researcher is interested in determining the

please use excel to find these solutions

and dont round answers

Answers are NOT: 0.4839, 50.095

a A Market researcher is interested in determining the age range of their customer base. The researcher takes a sample of 42 customers and finds the mean age to be 50,579. Assume that a equals 1.60 Determine a 95% confidence interval: Mean Standard Deviation Sample Size 50.579 1.6 42 Required: Margin of Error 2 3 Upper Bound Confidence interval Lower Bound Confidence interval

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