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9 Sep 2020
A random sample of 44 taxpayers claimed an average of $9,700 in
medical expenses for the year. Assume the population standard
deviation for these deductions was $2,379. Construct confidence
intervals to estimate the average deduction for the population with
the levels of significance shown below.
a.5%
b.10%
c.20%
a. The confidence interval with a 5% level of significance has a
lower limit of $ nothing and an upper limit of $ nothing .
A random sample of 44 taxpayers claimed an average of $9,700 in
medical expenses for the year. Assume the population standard
deviation for these deductions was $2,379. Construct confidence
intervals to estimate the average deduction for the population with
the levels of significance shown below.
a.5%
b.10%
c.20%
a. The confidence interval with a 5% level of significance has a
lower limit of $ nothing and an upper limit of $ nothing .
na261805Lv1
18 Jun 2022
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