How many computers

?

In a simple random sample of150

households, the sample mean number of personal computers was2.11

.Assume the population standard deviation is=

0.62

.

Part:0 / 4

0 of 4 Parts Complete

Part 1 of 4

(a) Construct a

99.8

%

confidence interval for the mean number of personal computers. Round the answer to at least two decimal places.A99.8

%

confidence interval for the mean number of personal computers is<

<

.