Determine which of the following can be ...

Determine which of the following can be probability distributions of a random variable `X :` `X :\ 0\ 1\ 2` `P(X):\ 0. 4\ \ 0. 4\ 0. 2`

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`p_{i} gt 0, forall i=1,2,3`

`sum_{i=1}^{3} P_{i}=0.4+0.4+0.2 `

` =1`

` therefore` Given distribution is p.m.f.

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