1.

A discrete random variable X has the following probability distribution: X: 1 2 3 4 5 6 7P(X): c 2c 2c 3c c2 2c2 7c2+cThen, P(X ≤ 2) = ____________.

Answer» A discrete random variable X has the following probability distribution:

X: 1 2 3 4 5 6 7

P(X): c 2c 2c 3c c2 2c2 7c2+c

Then, P(X ≤ 2) = ____________.


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