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 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?
B/ Which of three measure of
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 2 images
