How many computers? In a simple random sample of 155 households, the sample mean number of personal com 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 lea decimal places. A 98% confidence interval for the mean number of personal computers is

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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
Transcribed Image 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
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