2. Decide whether the distribution is a probability distribution. If it is not a probability distribution, identify the property that is not satisfied. x P(x) 0 0.30 1 0.40 2 0.20 3 -0.06 4 0.04

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2. Decide whether the distribution is a probability distribution. If it is not a probability distribution, identify the property that is not satisfied.




x P(x)
0 0.30
1 0.40
2 0.20
3 -0.06
4 0.04


Answered Same DayDec 20, 2021

Answer To: 2. Decide whether the distribution is a probability distribution. If it is not a probability...

David answered on Dec 20 2021
117 Votes
For a valid distribution, all probability values must be within range [0,1], and
sum of probability
values must be 1.
Looking at given distribution, we can say that at X=3, the above rule fails as
negative is not valid.
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