Skip to content

Course home

Probability

Probability

EasyMedium
1234567891011121314151617181920212223242526272829303132
Question 8

The Venn diagram below shows three events AAA, B B\,B and CCC.

Venn diagram for question 2 showing three circles A, B, and C within a rectangular sample space. Circle A is on the left, B is in the middle, and C is on the right. The regions are labeled as follows: A only is 0.2; A and B only is p; B only is q; the intersection of all three A, B, and C is r; and the region outside all three circles is 0.1.

a.

Write down two of the events that are mutually exclusive.

[1]
b.

The probability of A A\,A is 0.4

The probability of A A\,A or B B\,B is 0.7

Find the values of ppp, q q\,q and rrr.

[2]
c.

State, giving a reason, whether or not the events A A\,A and B B\,B are statistically independent.

[2]
Markscheme

Probability Questions

  1. AS Level
  2. /Maths
  3. /Probability

34 exam-style questions on Edexcel AS Level Maths Probability, covering 5.1 Calculating Probabilities, 5.2 Venn Diagrams, 5.3 Mutually Exclusive and Independent Events, and 5.4 Tree Diagrams. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank