How many computers? In a simple random sample of 155 households, the sample mean number of personal computers was 2.83. Assume the population standard deviation is 0= 0.74. Part: 0/4 Part 1 of 4 (a...

Extracted text: How many computers? In a simple random sample of 155 households, the sample mean number of personal computers was 2.83. Assume the population standard deviation is 0= 0.74. Part: 0/4 Part 1 of 4 (a Construct a 98% confidence interval for the mean number of personal computers. Round the answer to at least two decimal places. A 98% confidence interval fon ithe mean number of personal computers is RIS