Prob-3 Breaking strengths of a random sample of 28 molded plastic housing were measured, and a sample standard deviation of S=19.52 was obtained. A confidence interval (439.23, 460.77) for the average strength of molded plastic housings were constructed from these results. What is the confidence level of this confidence interval? Solution: ta/2 = ?; [Conf. Level]=1-α = ?....... % X - for 2 S Vñ S μ = + 2√H
Prob-3 Breaking strengths of a random sample of 28 molded plastic housing were measured, and a sample standard deviation of S=19.52 was obtained. A confidence interval (439.23, 460.77) for the average strength of molded plastic housings were constructed from these results. What is the confidence level of this confidence interval? Solution: ta/2 = ?; [Conf. Level]=1-α = ?....... % X - for 2 S Vñ S μ = + 2√H
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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![Prob-3
Breaking strengths of a random sample of 28 molded plastic housing were measured, and a sample standard deviation of S=19.52 was obtained. A
confidence interval (439.23, 460.77) for the average strength of molded plastic housings were constructed from these results. What is the confidence level of
this confidence interval?
Solution:
[7
x
-
for 2
S
Vñ
ta/2 =?;
S
4 == 8 + 10/2² √]
{012 ]
[Conf. Level]-1-α = ...
?....... %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fed7b56a3-2e66-4877-848b-86d54658cb11%2F760cf743-3fca-44cd-9391-3e8ee9b87347%2Fvpo30fw_processed.png&w=3840&q=75)
Transcribed Image Text:Prob-3
Breaking strengths of a random sample of 28 molded plastic housing were measured, and a sample standard deviation of S=19.52 was obtained. A
confidence interval (439.23, 460.77) for the average strength of molded plastic housings were constructed from these results. What is the confidence level of
this confidence interval?
Solution:
[7
x
-
for 2
S
Vñ
ta/2 =?;
S
4 == 8 + 10/2² √]
{012 ]
[Conf. Level]-1-α = ...
?....... %
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