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Ball bearings are manufactured by a process that results in a standard deviation in diameter of 0.045 inch. Suppose the average diameter in a simple random sample of 42 tested ball bearings is 0.52 inches. Construct and interpret a 92% confidence interval for the mean diameter of all ball bearings produced using the process. i. Procedure: Select an answer く ii. Assumptions: (select everything that applies) ☐ Normal population Simple random sample The number of positive and negative responses are both greater than 10 Sample size is greater than 30 Population standard deviation is unknown Population standard deviation is known iii. Unknown parameter: Select an answer

Ball bearings are manufactured by a process that results in a standard deviation in diameter of 0.045 inch. Suppose the average diameter in a simple random sample of 42 tested ball bearings is 0.52 inches. Construct and interpret a 92% confidence interval for the mean diameter of all ball bearings produced using the process. i. Procedure: Select an answer く ii. Assumptions: (select everything that applies) ☐ Normal population Simple random sample The number of positive and negative responses are both greater than 10 Sample size is greater than 30 Population standard deviation is unknown Population standard deviation is known iii. Unknown parameter: Select an answer

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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Ball bearings are manufactured by a process that results in a standard deviation in diameter of 0.045 inch. Suppose the average diameter in a simple random sample of 42 tested ball bearings is 0.52 inches. Construct and interpret a 92% confidence interval for the mean diameter of all ball bearings produced using the process. i. Procedure: Select an answer く ii. Assumptions: (select everything that applies) ☐ Normal population Simple random sample The number of positive and negative responses are both greater than 10 Sample size is greater than 30 Population standard deviation is unknown Population standard deviation is known iii. Unknown parameter: Select an answer
Transcribed Image Text:Ball bearings are manufactured by a process that results in a standard deviation in diameter of 0.045 inch. Suppose the average diameter in a simple random sample of 42 tested ball bearings is 0.52 inches. Construct and interpret a 92% confidence interval for the mean diameter of all ball bearings produced using the process. i. Procedure: Select an answer く ii. Assumptions: (select everything that applies) ☐ Normal population Simple random sample The number of positive and negative responses are both greater than 10 Sample size is greater than 30 Population standard deviation is unknown Population standard deviation is known iii. Unknown parameter: Select an answer
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