MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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  1. SOLVE: Yearly chocolate consumption by American adults is Normally distributed. Americans consume 12 pounds of chocolate on average per year with a standard deviation of 2.7 pounds. Suppose we take a random sample of 100 American adults.

    1. (a)  What is the sampling distribution of the mean for samples of size n = 100 adults?

    2. (b)  What is the probability that a randomly selected adult consumes more than 15 pounds

      per year?

    3. (c)  What is the probability that a random sample of 100 adults will consume more than 15 pounds per year, on average?

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