With reference to Exercise 11.7 construct (a) A 95% confidence interval for the average weekly sales when

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With reference to Exercise 11.7 construct

(a) A 95% confidence interval for the average weekly sales when $45 is spent on advertising;

(b) A 95% prediction interval for the weekly sales when 845 is spent on advertising.

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Question Posted: Feb 03, 2011 03:42 AM

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With reference to Exercise 11.7 construct (a) A 95% confidence interval for the average weekly sales when

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Using the value s 50225 and the fact that yo ...View the full answer

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