Question

What is the value of P(X=3 or X=0)?

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X P
0 0.3
1 0.05
2 0.1
3 0.15
4 0.15
5 0.25

Answer 1

2

P(X=3 or X=0)=2 because all of the probabilities are positive so they will sum up to one. 0. pX(x) = (4 x). 16 for x = 0 , 1 , 2 , 3 , 4.