Question: True or False: a) Suppose that you know the marginal distributions of two random variables. Then you have enough information to determine the joint distribution

True or False:

a) Suppose that you know the marginal distributions of two random variables. Then you have enough information to determine the joint distribution of the two.

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b) Suppose that you know the joint distribution of two random variables. Then you have enough information to determine the marginal distributions of the two.

c) Suppose that you know the marginal distributions of two random variables. Then you have enough information to determine the joint distribution of the two, if you also know that the two variables are independent.

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