JEE Math Practice Question
A random variable $$X$$ has Poisson distribution with mean $$2$$. Then $$P\left( {X > 1.5} \right)$$ equals :
- A.$${2 \over {{e^2}}}$$
- B.$$0$$
- C.$$1 - {3 \over {{e^2}}}$$
- D.$${3 \over {{e^2}}}$$
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