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The random variable X has a probability ...

The random variable X has a probability distribution P(X) of the form `P(X) = {{:(k, "if" X = 0),(2k, "if" X = 1),(3k, "if" X = 2),(0, "otherwise"):}` with k being some positive constant. The `P (X = 2) `is

A

`1/2`

B

`1/3`

C

`1/4`

D

`1/6`

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