The Energy Information Administration reported that the mean retail price per gallon of regular grade gasoline was $2.05.Suppose that the standard deviation was $.10 and that the retail price per gallon has a bell-shaped distribution. a. What percentage of regular grade gasoline sold between $1.95 and $2.15 per gallon? b. What percentage of regular grade gasoline sold between $1.85 and $2.25 per gallon? c. What percentage of regular grade gasoline sold for more than $2.25 per gallon?
:A: The Energy Information Administration reported that the
a. What percentage of regular grade gasoline sold between $1.95 and $2.15 per gallon?
b. What percentage of regular grade gasoline sold between $1.85 and $2.25 per gallon?
c. What percentage of regular grade gasoline sold for more than $2.25 per gallon?
B/ Which of three measure of
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