SOLUTION: Is the following a vaild probability distribution? x P(X=x) -5 0.1 0 0.4 1 0.3 2 0.2

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Question 455626: Is the following a vaild probability distribution?
x P(X=x)
-5 0.1
0 0.4
1 0.3
2 0.2
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Yes it is a valid probability distribution. (The sum of all the probabilities is 1.)