1.

The random variable X has a probability distribution P(X) of the following form, where K is some number P(X)={{:(,K,"if x =0"),(,2K,"if x=1 "),(,3K,"if x=2 "),(,0,"otherwise"):} (a) Determine the value of K. (b) Find P(X lt 2).

Answer»

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Answer :(a) `k=(1)/(6)` (b)`P(X lt 2)=(1)/(2), P(X le 2)=1, P(X GE 2)=(1)/(2)`


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