Determine the

99%

confidence interval estimate for the population mean of a normal distribution given

n=100,

=104,

and

x=1,200.

The

99%

confidence interval for the population mean is from

enter your response here

to

enter your response here.

(Round to two decimal places as needed. Use ascending order.)

2.

A random sample of

n=12

values taken from a normally distributed population resulted in the sample values below. Use the sample information to construct

a

99%

confidence interval estimate for the population mean.

109

95

91

104

102

97

111

94

110

92

111

108

The

99%

confidence interval is from

$enter your response here

to

$enter your response here.

(Round to two decimal places as needed. Use ascending order.)