What is the formula for the Poisson distribution probability?

(a) P(x; μ) = (e^-μ) (μ^x) / x!

(b) P(x; μ) = (e^-x) (μ^x) / x!

(c) P(x; μ) = (e^-μ) (μ) / x!

(d) P(x; μ) = (e^-μ) (μ^x) / x

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This interesting question is from Bernoulli Trials and Binomial Distribution topic in division Probability of Mathematics – Class 12

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