42. The average annual amount American households spend for daily transportation is $6312 (Money, August 2001). Assume

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42. The average annual amount American households spend for daily transportation is $6312

(Money, August 2001). Assume that the amount spent is normally distributed.

a. Suppose you learn that 5% of American households spend less than $1000 for daily transportation. What is the standard deviation of the amount spent?

b. What is the probability that a household spends between $4000 and $6000?

c. What is the range of spending for the 3% of households with the highest daily transportation cost?

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Essentials Of Statistics For Business And Economics

ISBN: 9780324568608

5th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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Question Posted: Nov 06, 2024 06:00 AM

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42. The average annual amount American households spend for daily transportation is $6312 (Money, August 2001). Assume

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Essentials Of Statistics For Business And Economics

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