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At one point the average price of regular unleaded gasoline was $3.53 per gallon. Assume that...

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Basic Math

At one point the average price of regular unleaded gasoline was$3.53 per gallon. Assume that the standard deviation price pergallon is ​$0.07

per gallon and use​ Chebyshev's inequality to answer thefollowing.

​(a) What percentage of gasoline stations had prices within 3standard deviations of the​ mean?

​(b) What percentage of gasoline stations had prices within 2.5standard deviations of the​ mean? What are the gasoline prices thatare within 2.5 standard deviations of the​ mean?

​(c) What is the minimum percentage of gasoline stations thathad prices between $3.39 and $3.67​?

​(a) At least _​__% of gasoline stations had prices within 3standard deviations of the mean.(Round to two decimal places as​needed.)

​(b) At least ___% of gasoline stations had prices within 2.5standard deviations of the mean.​(Round to two decimal places as​needed.)

The gasoline prices that are within 2.5 standard deviations ofthe mean are ​$_to ​$_.​(Use ascending​ order.)

​(c) _​__% is the minimum percentage of gasoline stations thathad prices between $ 3.39 and $3.67.

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