#05

Construct the confidence interval for the population mean .

c=0.95,

x=5.1,

=0.4,

and n= 45

A 95% confidence interval for is ______ , ______ (round to two decimal places)

________________________________________________________________________________________________________________

#06

Use the confidence interval to find the margin of error and the sample mean.

(0.484,0.620)

The margin of error is _______