Quick questions on Poisson and binomial distributions: models and approximation - Edexcel A-Level Further Maths

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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For

X \sim \operatorname{Po}(3)

, find

P(X = 0)

. [2 marks]

What is q2?

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State the mean and variance of

B(50, 0.2)

. [2 marks]

What is q3?

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Independent

X \sim \operatorname{Po}(2)

and

Y \sim \operatorname{Po}(6)

. State the distribution of

X + Y

. [1 mark]

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