Mathematics 9709 · AS & A Level · The Poisson distribution

The Poisson distribution — practice question

The random variable $X$ follows the distribution $B(4500000, \frac{1}{1000})$.
(main)[3]

Apply a Poisson distribution to find an estimate for $P(X \geq 4)$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Parameter correctly identified as $\lambda = 4.5$.” …

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