2. Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.43 with a standard deviation of $0.10 and that the retail price per gallon has a bell-shaped distribution (again, refer to Figure 3.5 on p. 133 in the textbook for a bell-shaped distribution). a What percentage of regular grade gasoline sold between $3.33 and $3.53 per gallon? b. What percentage of regular grade gasoline sold between $3.33 and $3.63 per gallon? C. What percentage of regular grade gasoline sold for more than $3.63 per gallon?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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2. Suppose that the mean retail price per gallon of regular grade gasoline in the United States is
$3.43 with a standard deviation of $0.10 and that the retail price per gallon has a bell-shaped
distribution (again, refer to Figure 3.5 on p. 133 in the textbook for a bell-shaped distribution).
a What percentage of regular grade gasoline sold between $3.33 and $3.53 per gallon?
b. What percentage of regular grade gasoline sold between $3.33 and $3.63 per gallon?
What percentage of regular grade gasoline sold for more than $3.63 per gallon?
C.
Transcribed Image Text:2. Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.43 with a standard deviation of $0.10 and that the retail price per gallon has a bell-shaped distribution (again, refer to Figure 3.5 on p. 133 in the textbook for a bell-shaped distribution). a What percentage of regular grade gasoline sold between $3.33 and $3.53 per gallon? b. What percentage of regular grade gasoline sold between $3.33 and $3.63 per gallon? What percentage of regular grade gasoline sold for more than $3.63 per gallon? C.
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