Skip to content

Course home

2.3 M: Probability

2.3 M: Probability

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142
Question 35

Two events A A\,A and B B\,B are independent, with P(A)=0.5P(A) = 0.5P(A)=0.5 and P(A∪B)=0.65P(A \cup B) = 0.65P(A∪B)=0.65.

a.

Show that P(B)=0.3P(B) = 0.3P(B)=0.3.

[3]
b.

Find P(A∩B′)P(A \cap B')P(A∩B′).

[2]
c.

Find P(A′∩B′)P(A' \cap B')P(A′∩B′).

[1]
Markscheme

2.3 M: Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 M: Probability

198 exam-style questions on AQA A Level Maths 2.3 M: Probability, covering 2.3.1 Mutually exclusive and independent events, 2.3.2 Conditional probability (A-level only), 2.3.3 Modelling with probability (A-level only), and 2.3 M: Probability. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank