Consider the following hypothesis test. H 0 : u 10 H a : u < 10

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Consider the following hypothesis test.

H₀: u ≥ 10

H_a: u < 10

The sample size is 120 and the population standard deviation is assumed known with s = 5. Use a = .05.

a. If the population mean is 9, what is the probability that the sample mean leads to the conclusion do not reject H₀?

b. What type of error would be made if the actual population mean is 9 and we conclude that H₀: µ ≥ 10 is true?

c. What is the probability of making a type ii error if the actual population mean is 8?

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Statistics For Business & Economics

ISBN: 9781305585317

13th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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Question Posted: Dec 02, 2016 09:48 AM

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Consider the following hypothesis test. H 0 : u 10 H a : u < 10

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c 10 1645 5 120 925 Reject H 0 ...View the full answer

Statistics For Business & Economics

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