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If the standard deviation of a Poisson variate X is 2, what is P (1.5 < X < 2.9)​

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Answer:

Step-by-step EXPLANATION:

Since Poisson distribution is a discrete distribution, therefore it TAKES discrete values of 0, 1, 2, 3,4, and 5 Therefore, 1.5 < X < 2.9 means X takes value 2 . HENCE P(1.5 < X < 2.9) = P(X = 2) = e^(-4)(4)^(2)/2!



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