Consumers spent an average of $ 14.99 on a meal at a restaurant in 2013. (Data extracted

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Consumers spent an average of $ 14.99 on a meal at a restaurant in 2013. (Data extracted from bit.ly/1hObH22.) Assume that the amount spent on a restaurant meal is normally distributed and that the standard deviation is $ 2.

a. What is the probability that a randomly selected person spent more than $ 15?

b. What is the probability that a randomly selected person spent between $ 10 and $ 12?

c. Between what two values will the middle Ninety-five percent of the amounts spent fall?

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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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Question Posted: Jul 16, 2015 07:27 PM

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Consumers spent an average of $ 14.99 on a meal at a restaurant in 2013. (Data extracted

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