The number of claims $N$ filed is a zero-truncated Poisson random variable with $\lambda = 3$. Find $P[N \geq 2]$.
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A random variable $N$ follows a zero-truncated Poisson distribution if it is a Poisson random variable conditioned on $N > 0$. The probability mass function (PMF) of a standard Poisson distribution with parameter $\lambda$ is given by: $P(X=k) = \frac{e^{-\lambda} Show more…
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