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(Solved): Suppose \( X \sim \) Poisson( \( (\lambda) \). If \( P(X=1)=P(X=2) \), what is \( \lambda \) ? a. 4 ...



Suppose \( X \sim \) Poisson( \( (\lambda) \). If \( P(X=1)=P(X=2) \), what is \( \lambda \) ? a. 4 b. 3 c. None of these d.
Suppose \( X \sim \) Poisson( \( (\lambda) \). If \( P(X=1)=P(X=2) \), what is \( \lambda \) ? a. 4 b. 3 c. None of these d. 2 e. 1


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The Poisson distribution with parameter ? has probability mass function given by p(x) = e^(-?) * ?^x / x! for x = 0, 1, 2, .... We are given that P(X
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