How many computers

?

In a simple random sample of

185

households, the sample mean number of personal computers was

2.88

.Assume the population standard deviation is

=0.77

.

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0 of 4 Parts Complete

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 << .