Asked by jeremiah

2) The amount of gasoline sold every week at a gas station is Normally distributed with a mean of 30,000 gallons and a Standard Deviation of 3,000 gallons. What is the Probability that in a given week that the amount of gasoline sold is between 28,000 and 35,000 gallons?

Answers

Answered by Steve
28000 is 0.666 std below the mean
35000 is 2.666 std above the mean.

Now go to your Z table. Or, you can play around with this stuff at

http://davidmlane.com/hyperstat/z_table.html
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