Suppose that 500 parts are tested for manufacturing and 10 are rejected. A) Test if there is evidence that the proportion is less than 3% at alpha=0.01. B) Find the p-value of the test. C) Use a Cl to test A).

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Suppose that 500 parts are tested for manufacturing and 10 are rejected.
A) Test if there is evidence that the proportion is less than 3% at alpha=0.01.
B) Find the p-value of the test.
C) Use a Cl to test A).
D) What sample size is needed to have a probability of correctly rejecting the null hypothesiis of 0.9?
Transcribed Image Text:Suppose that 500 parts are tested for manufacturing and 10 are rejected. A) Test if there is evidence that the proportion is less than 3% at alpha=0.01. B) Find the p-value of the test. C) Use a Cl to test A). D) What sample size is needed to have a probability of correctly rejecting the null hypothesiis of 0.9?
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