(Answered) How large would the sample size

Statistics

Problem: A survey was conducted of the age (in years) of 5050randomly selected customers. The mean was 27.8427.84years and the standard deviation was 10.4610.46years. Provide your rationale and any supporting data.

Required:

Question 1: How large would the sample size have to be to cut the margin of error in half?

Question 2: About how large would the sample size have to be to cut the margin of error by a factor of 2020?

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