At one point the average price of regular unleaded gasoline was ​$3.48 per gallon. Assume that the standard deviation price per gallon is ​$0.09 per gallon and use​ Chebyshev's inequality to answer the following. ​(a) What percentage of gasoline stations had prices within 3 standard deviations of the​ mean? ​(b) What percentage of gasoline stations had prices within 2.5 standard deviations of the​ mean? ​(a) At least nothing​% of gasoline stations had prices within 3 standard deviations of the mean. ​(Round to two decimal places as​ needed.)   ​(b) At least nothing​% of gasoline stations had prices within 2.5 standard deviations of the mean. ​(Round to two decimal places as​ needed.)

MATLAB: An Introduction with Applications
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At one point the average price of regular unleaded gasoline was
​$3.48
per gallon. Assume that the standard deviation price per gallon is
​$0.09
per gallon and use​ Chebyshev's inequality to answer the following.
​(a) What percentage of gasoline stations had prices within
3
standard deviations of the​ mean?
​(b) What percentage of gasoline stations had prices within
2.5
standard deviations of the​ mean?
​(a) At least
nothing​%
of gasoline stations had prices within
3
standard deviations of the mean.
​(Round to two decimal places as​ needed.)
 
​(b) At least
nothing​%
of gasoline stations had prices within
2.5
standard deviations of the mean.
​(Round to two decimal places as​ needed.)
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