Skip to content

Course home

2.4 Statistical distributions

2.4 Statistical distributions

EasyMediumHard
1234567891011121314151617181920212223242526
Question 1
74%

A random variable X X\,X has the probability function:

P(X=x)=(2x−1)36x=1,2,3,4,5,6 P(X=x) = \frac{(2x-1)}{36} \quad x = 1, 2, 3, 4, 5, 6 P(X=x)=36(2x−1)​x=1,2,3,4,5,6
a.

Construct a table giving the probability function of XXX.

[2]
b.

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

[1]
c.

Construct a table for the cumulative distribution F(x)F(x)F(x)

[2]
Markscheme

2.4 Statistical distributions Questions

  1. A Level
  2. /Maths
  3. /2.4 Statistical distributions

47 exam-style questions on WJEC A Level Maths 2.4 Statistical distributions, covering 2.4.1 Statistical distributions, 2.4.2 Statistical distributions, and 2.4.3 Statistical distributions. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank