A national business magazine reports that the mean age of retirement for women executives is 64.9A women’s rights organi

[answerhappygod]

A national business magazine reports that the mean age of
retirement for women executives is 64.9A women’s rights
organization believes that this value does not accurately depict
the current trend in retirement. To test this, the group polled a
simple random sample of 96 recently retired women executives
and found that they had a mean age of retirement of 63.9.
Assuming the population standard deviation is 4.4 years,
is there sufficient evidence to support the organization’s belief
at the 0.01 level of significance?
Step 2 of 3 :
Compute the value of the test statistic. Round your answer to
two decimal places.