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Question
Determine whether each of the following is a probability distribution. Give reasons for your answer.
| x | 0 | 1 | 2 |
| P(x) | 0.1 | 0.6 | 0.3 |
Solution
Here, P(x) > 0 for all values of x
Now consider,
`sumP(x)` = 0.1 + 0.6 + 0.3 = 1
∴ Given distribution is a probability distribution.
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