A random sample of 39 taxpayers claimed an average of $9,531 in medical expenses for the year. Assume the population standard deviation for these deductions was $2,386. Construct confidence intervals to estimate the average deduction for the population with the levels of significance shown below. a. 1% b. 10% c. 20% ... a. The confidence interval with a 1% level of significance has a lower limit of $ (Round to the nearest dollar as needed.) and an upper limit of $
A random sample of 39 taxpayers claimed an average of $9,531 in medical expenses for the year. Assume the population standard deviation for these deductions was $2,386. Construct confidence intervals to estimate the average deduction for the population with the levels of significance shown below. a. 1% b. 10% c. 20% ... a. The confidence interval with a 1% level of significance has a lower limit of $ (Round to the nearest dollar as needed.) and an upper limit of $
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 39 taxpayers claimed an average of $9,531 in medical expenses for the year. Assume the population standard deviation for these deductions was
$2,386. Construct confidence intervals to estimate the average deduction for the population with the levels of significance shown below.
|
a.
|
1 %
|
|
b.
|
10 %
|
|
c.
|
20%
|
The confidence interval with a 1 % level of significance has a lower limit of
$
and an upper limit of
$
The confidence interval with a 10 % level of significance has a lower limit of
$ and an upper limit of $
The confidence interval with a 20 % level of significance has a lower limit of
$ and an upper limit of $
Transcribed Image Text:A random sample of 39 taxpayers claimed an average of $9,531 in medical expenses for the year. Assume the
population standard deviation for these deductions was $2,386. Construct confidence intervals to estimate the
average deduction for the population with the levels of significance shown below.
a. 1%
b. 10%
c. 20%
...
a. The confidence interval with a 1% level of significance has a lower limit of $
(Round to the nearest dollar as needed.)
and an upper limit of $
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