suppose random variable x follows poisson distribution with expected value 3. what is variance of x?



Answer to a math question suppose random variable x follows poisson distribution with expected value 3. what is variance of x?

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To find the variance of a Poisson distribution, we can use the fact that the variance of a Poisson random variable is equal to its expected value.

In this case, the expected value of x is given as 3. Therefore, the variance of x is also equal to 3.

Answer: \text{Var}(x) = 3

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