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A local gas station waits 4 days to receive its delivery after he calls and places an order. The amount of gas that the station sells in a day is independent of other days and follows a Normal distribution with mean 1000 gallons and standard deviation of 400 gallons. Which one of the statements is true?

a. The chance of selling more than 1400 is around 15%
b. The chance of selling more than 1400 is around 5%
c. The chance of selling more than 1400 is zero
d. The chance of selling more than 1400 is around 10%

User Doug Chase
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13 votes

Answer:

C

Explanation:

User Jonathan Bender
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