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2.4.1 Discrete distributions and the binomial

2.4.1 Discrete distributions and the binomial

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Question 6

The random variable $X\,$ has the distribution $\sim B(20, 0.3)$ .

Find the mean of $X$ .

Circle your answer.

A

0.3

B

4.2

C

6

D

14

Markscheme

2.4.1 Discrete distributions and the binomial Questions

A Level
Maths
2.4.1 Discrete distributions and the binomial

39 exam-style questions on AQA A Level Maths 2.4.1 Discrete distributions and the binomial. Each one has a worked solution and a mark scheme showing where the marks go.

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