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Probability

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Question 45

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

Venn diagram showing events A and B overlapping on the left and centre, event C separate on the right, within a rectangular sample space.

a.

Write down two of the events that are mutually exclusive.

[1]
b.

The probability of A A\,A is 0.6

The probability of A A\,A or B B\,B is 0.8

Find the values of ppp, q q\,q and r r\,r and state, giving a reason, whether or not the events A A\,A and B B\,B are statistically independent.

[5]
Markscheme

Probability Questions

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

186 exam-style questions on Edexcel A 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.

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