How many computers? In a simple random sample of 160 households, the sample mean number of personal computers was 1.93. Assume the population standard deviation is a=0.5. Part: 0/4 Part 1 of 4 (a)...

Extracted text: How many computers? In a simple random sample of 160 households, the sample mean number of personal computers was 1.93. Assume the population standard deviation is a=0.5. Part: 0/4 Part 1 of 4 (a) Construct a 98% confidence interval Ror the mean number of personal computers. Round the answer to at least two decimal places. A 98% confidence interval for the mean number of personal computers is