A grocery store sells an average of 478 loaves of bread each week. Sales (X) are normally

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A grocery store sells an average of 478 loaves of bread each week. Sales (X) are normally distributed with a standard deviation of 17.

(a) If a random sample of size n = 1 (week) is drawn, what is the probability that the X̅ value will exceed 495?

(b) If a random sample of size n = 4 (weeks) is drawn, what is the probability that the X value will exceed 495?

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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Question Posted: Feb 17, 2024 11:38 PM

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A grocery store sells an average of 478 loaves of bread each week. Sales (X) are normally

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Probability of exceeding 495 loaves of bread sold Given Average weekly sales mean 478 loaves Standar...View the full answer

Statistics For Business And Financial Economics

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