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A. Find the critical value of z-scores for each of the following confidence level. 1. 99% 2. 96% 3. 94% 4. 84% 5. 81% B. Assuming that the population is annrorimatolu

A. Find the critical value of z-scores for each of the following confidence level. 1. 99% 2. 96% 3. 94% 4. 84% 5. 81% B. Assuming that the population is annrorimatolu

MATLAB: An Introduction with Applications
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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Exb 7 8
Exercises A. Find the critical value of z-scores for each of the following confidence level. lo nde og 1. 99% pint 2. 96% 3. 94% "he che 4. 84% 5. 81% B. Assuming that the population is approximately normally distributed, compute the margin of error for interval estimator in each of the following cases. 1. A sample size of n= 12 with population standard deviation o= 16 at 99% confidence level. IM 2. A sample size of n = 25 with population standard deviation o=2.6 at 90% confidence level. %3D 3. A sample size of n = 32 with population standard deviation o = 14 at 95% confidence level. 4. A sample size of n = 40 with population standard deviation o= 36 at 90%o confidence level. 5. A sample size of n = 65 with population standard deviation o= 123 at 95% confidence level. 6. A sample size of n = 112 with population standard deviation o = 1.6 at 99% confidence level. oobitao %3D 116 at 94% confidence level. 7. A sample size of n= 125 with population standard deviation o = 8. A sample size of n = 200 with population standard deviation o = 26 at 96% confidence level bo b e %3D 9. A sample size of n= 300 with population standard deviation o = 0.75 at 99% confidence level. 10. A sample size of n= 400 with population standard deviation o= 2.35 at 99% confidence level.
Transcribed Image Text:Exercises A. Find the critical value of z-scores for each of the following confidence level. lo nde og 1. 99% pint 2. 96% 3. 94% "he che 4. 84% 5. 81% B. Assuming that the population is approximately normally distributed, compute the margin of error for interval estimator in each of the following cases. 1. A sample size of n= 12 with population standard deviation o= 16 at 99% confidence level. IM 2. A sample size of n = 25 with population standard deviation o=2.6 at 90% confidence level. %3D 3. A sample size of n = 32 with population standard deviation o = 14 at 95% confidence level. 4. A sample size of n = 40 with population standard deviation o= 36 at 90%o confidence level. 5. A sample size of n = 65 with population standard deviation o= 123 at 95% confidence level. 6. A sample size of n = 112 with population standard deviation o = 1.6 at 99% confidence level. oobitao %3D 116 at 94% confidence level. 7. A sample size of n= 125 with population standard deviation o = 8. A sample size of n = 200 with population standard deviation o = 26 at 96% confidence level bo b e %3D 9. A sample size of n= 300 with population standard deviation o = 0.75 at 99% confidence level. 10. A sample size of n= 400 with population standard deviation o= 2.35 at 99% confidence level.
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