# Question: The file S04 31 xlsx contains the joint probability distribution of price

The file S04_31.xlsx contains the joint probability distribution of price P per unit and demand D for a particular product in the coming quarter.

a. Are P and D independent random variables? Explain your answer.

b. If P and D are not independent random variables, which joint probabilities result in the same marginal probabilities for P and D as given in the file but make P and D independent of each other?

a. Are P and D independent random variables? Explain your answer.

b. If P and D are not independent random variables, which joint probabilities result in the same marginal probabilities for P and D as given in the file but make P and D independent of each other?

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