What percentage of adults eat more than 10.4 ounces of chicken in one sitting?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text:The graph shows the distribution of the amount of
chicken (in ounces) that adults eat in one sitting. The
distribution is approximately Normal, with a mean of 8
What percentage of adults eat more than 10.4 ounces
of chicken in one sitting?
2.5%
ounces and a standard deviation of 1.2 ounces.
47.5%
Chicken Consumption
95%
97.5%
+
3.2
4.4
5.6
6.8
8.
9.2
10.4
11.6 12.8
Expert Solution

Step 1
Let X denote the amount of chicken that adults eat in one sitting. Given that X follows N(mean = 8, SD = 1.2), then
Z = (X - mean)/SD follows N(0,1)
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