A civil engineer wants to establish that the average time to construct a new two-storey building is

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A civil engineer wants to establish that the average time to construct a new two-storey building is less than 6 months.

(a) Formulate the null and alternative hypotheses.

(b) What error could be made if $\mu=6$ ? Explain in the context of the problem.

(c) What error could be made if $\mu=5.5$ ? Explain in the context of the problem.

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Probability And Statistics For Engineers

ISBN: 9780134435688

9th Global Edition

Authors: Richard Johnson, Irwin Miller, John Freund

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Question Posted: Apr 23, 2024 07:01 AM

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A civil engineer wants to establish that the average time to construct a new two-storey building is

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SOLUTION a H0 6 months H1 6 months b If the true mean is 6 months there is a risk of a Type I err...View the full answer

Probability And Statistics For Engineers

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