Question: How many computers? In a simple random sample of 160 households, the sample mean number of personal computers was 1.15. Assume the population standard deviation

How many computers? In a simple random sample of 160 households, the sample mean number of personal computers was 1.15. Assume the population

standard deviation is o : 0.73. Partlof4 o (a) Construct an 80%

confidence interval for the mean number of personal computers. Round the answer

How many computers? In a simple random sample of 160 households, the sample mean number of personal computers was 1.15. Assume the population standard deviation is o : 0.73. Partlof4 o (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 isl 1.08 I

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3. To understand that the first impression means a lot, and it takes a lot of energy to change this first impression.

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