Question: How many computers? In a simple random sample of 155 households, the sample mean number of personal computers was 1.14. Assume the population standard deviation

How many computers? In a simple random sample of 155 households, the sample mean number of personal computers was 1.14. Assume the population standard deviation is a -0.46. 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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f. What stereotypes were reinforced in the commercials?