According to a recent report, the average American consumes 22.7 teaspoons of sugar each day (National Geographic
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According to a recent report, the average American consumes 22.7 teaspoons of sugar each day (National Geographic Magazine, August 2013). Assuming that the distribution is approximately normal with a standard deviation of s 5 4.5, find each of the following values.
a. What proportion of people consume more than 30 teaspoons of sugar a day?
b. What proportion of people consume at least 20 teaspoons of sugar a day?
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781337098120
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano
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