A random sampleof 40 gas stations in Baton Rouge after Hurricane Katrina resulted in a meanprice of $3.02 per gallon with a standard deviationof $0.07. A histogramof the dataindicated that the data followed a bell shaped distribution.
A) What percentage of the gas stations have prices that rangefrom $2.88 to $3.16
B) What percentage of the gas stations have prices within one deviation of the mean?
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