1. A sample size of n=12 with population standard deviation ở= 16 at 99% confidence level. 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.
1. A sample size of n=12 with population standard deviation ở= 16 at 99% confidence level. 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.
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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Question
Exb 1 2 3
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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