MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Step 1
The significance level is 0.01.
Computation of critical value:
The critical value of z-distribution can be obtained using the excel formula “=NORM.S.INV (0.995)”. The critical value is 2.576.
Thus, the critical value is .
The sample proportion is,
The sample proportion is 0.6575.
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