The mean prices (in dollars) of regular gasoline in the 50 states on April 27, 2014, are
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a. Estimate the mean price of regular gasoline in Hawaii, which has the highest mean price of the 50 states.
b. What percentage of states have a mean regular gasoline price that is at least $3.76?
c. What percentage of states have a mean regular gasoline price that is less than $3.76?
d. Add the results you found in parts (b) and (c). Explain why the sum should be 100%.
e. Estimate the number of states that have mean regular gasoline prices between $3.48 and $3.76.
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