Question
A simple random sample of size n=22 is drawn from a population that is normally distributed....
A simple random sample of size
n=22
is drawn from a population that is normally distributed. The sample mean is found to be
x overbar 69
and the sample standard deviation is found to be
s equals=20.
Construct a
90%
confidence interval about the population mean.
The
90%
confidence interval is
(?,?)
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