How many computers? In a simple random sample of 185 households, the sample mean number of personal computers was 2.17. Assume the population standard deviation is σ=0.99. Part: 0/4 Part 1 of 4 (a) Construct an 80% confidence interval for the mean number of personal computers. Round the answer to at least two decimal places. An 80% confidence interval for the mean number of personal computers is X G

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