Consumers spent an average of $ 14.99 on a meal at a restaurant in 2013. (Data extracted
Question:
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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Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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