Poisson Distribution

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Question 1 of 14

What is the probability of exactly k events occurring in a fixed interval of time or space, given that the average rate of occurrence is lambda?

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P(X = k) = (lambda^k * e^(-lambda)) / k!

P(X = k) = (lambda^k * e^(-lambda)) / (k + 1)!

P(X = k) = (lambda^k * e^(-lambda)) / k

P(X = k) = (lambda^k * e^(-lambda)) / (k - 1)!

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