Let the random variable S and T be independent and identically distributed as follows: P(S = -1) = P(T = -1) = P(S = 1) = P(T = 1) = 0.5. Define the random variable R as the product R= ST. (a) Is R independent of S and T? (b) Is R independent of S+T?

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6.
Let the random variable S and T be independent and identically distributed
as follows:
P(S = -1) = P(T = -1) = P(S = 1) = P(T = 1) = 0.5.
Define the random variable R as the product R = ST.
(а)
Is R independent of S and T?
(b)
Is R independent of S+T?
Transcribed Image Text:6. Let the random variable S and T be independent and identically distributed as follows: P(S = -1) = P(T = -1) = P(S = 1) = P(T = 1) = 0.5. Define the random variable R as the product R = ST. (а) Is R independent of S and T? (b) Is R independent of S+T?
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