What percentage of adults eat more than 10.4 ounces of chicken in one sitting?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
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
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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