2) The amount of flour used per day by a bakery is a random variable Y

that has an exponential distribution with mean equal to 4 tons. The

cost of the flour is proportional to U=3Y+1

a) Find the probability density function for U. (using method of

distribution)

b) Use the answer in a) to find E(U)

that has an exponential distribution with mean equal to 4 tons. The

cost of the flour is proportional to U=3Y+1

a) Find the probability density function for U. (using method of

distribution)

b) Use the answer in a) to find E(U)

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