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2.4.1 Discrete distributions and the binomial

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Question 12

The discrete random variable $X\,$ has the probability function

$P(X=x)=2x−136\displaystyle P(X = x) = \frac{2x - 1}{36}$ for $x = 1, 2, 3, 4, 5, 6$

Construct a table giving the probability distribution of $X$ .

[2]

Find $P (1.4 < X < 3.9)$ .

[1]

Construct a table for the cumulative distribution function $F (x)$ .

[1]

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.

2.4.1 Discrete distributions and the binomial

Question bank

2.4.1 Discrete distributions and the binomial

Easy Medium Hard

1 2 3 4 5 6 7 8 9 10 11 12 13

Question 12

The discrete random variable $X\,$ has the probability function

$P(X=x)=2x−136\displaystyle P(X = x) = \frac{2x - 1}{36}$ for $x = 1, 2, 3, 4, 5, 6$

Construct a table giving the probability distribution of $X$ .

[2]

Find $P (1.4 < X < 3.9)$ .

[1]

Construct a table for the cumulative distribution function $F (x)$ .

[1]

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.