MCQ
A distance random variable $X$ is said to have the Poisson distribution with parameter $m$ if its p.m.f. is given by $P(x)=\frac{e^{-m} m^x}{x !}$ the condition for $m$ is ______
- ✓$m >0$
- B$m \geq 0$
- C$m \neq 1$
- D$m =0$
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