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. The price of a gallon of gasoline is a normally distributed random variable with a mean of 2.5 and a variance of 2. Provide

. The price of a gallon of gasoline is a normally distributed random variable with a mean of 2.5 and a variance of 2.

Provide a graph of the probability density function.
Calculate the probability the price of a gallon of gasoline is less than 3.10.
Calculate the probability the price of a gallon of gasoline is greater than 1.20.
Calculate the probability the price of a gallon of gasoline is greater than 2.20 and less than 3.30.

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