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How many computers? In a simple random sample of 130 households, the sample mean number of personal computers was 2.93. Assume the population standard

How many computers? In a simple random sample of 130 households, the sample mean number of personal computers was 2.93. Assume the population standard deviation is = 0.66. Part: 0 / 4 Part 1 of 4 (a) Construct a 99.5% confidence interval for the mean number of personal computers. Round the answer to at least two decimal places. A 99.5% confidence interval for the mean number of personal computers is

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