GATE (TF) Textile 2022 Question Paper Solution | GATE/2022/TF/61

Question 61 (Textile Technology & Fibre Science)

Let X be a random variable that follows Poisson distribution with parameter \lambda > 0. If

    \[P(X=1) + 6P(X=3) = 4P(X=2)\]

then the mean of X is _________________.

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