7. Suppose in Problem 4 that we wished to design a test so that if the pH...

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7. Suppose in Problem 4 that we wished to design a test so that if the pH were really equal to 8.20, then this conclusion will be reached with probability equal to .95.

On the other hand, if the pH differs from 8.20 by .03 (in either direction), we want the probability of picking up such a difference to exceed .95.

(a) What test procedure should be used?

(b) What is the required sample size?

(c) If x = 8.31, what is your conclusion?

(d) If the actual pH is 8.32, what is the probability of concluding that the pH is not 8.20, using the foregoing procedure?

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Introduction To Probability And Statistics For Engineers And Scientists

ISBN: 9780125980579

3rd Edition

Authors: Sheldon M. Ross

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Question Posted: Sep 11, 2024 10:01 AM

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7. Suppose in Problem 4 that we wished to design a test so that if the pH...

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Introduction To Probability And Statistics For Engineers And Scientists

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