Question: help with part 3 How many computers? In a simple random sample of 200 households, the sample mean number of personal computers was (a) Construct

help with part 3

How many computers? In a simple random sample of 200 households, the sample mean number of personal computers was (a) Construct a 99.9% confidence interval for the mean number of personal computers. Round the answer to at least two decimal places. A 99.9% condence interval for the mean number of personal computers is 1.631

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