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2.3 M: Probability

2.3 M: Probability

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Question 17

The Venn diagram below shows the probabilities associated with three events AAA, B B\,B and CCC.

Figure for question 4

a.

Write down the two events that are mutually exclusive.

[1]
b.

Given that P(B∣C)=0.25P(B \mid C) = 0.25P(B∣C)=0.25, find the value of ppp.

[2]
c.

Given also that A A\,A and B B\,B are independent, find the value of q q\,q and the value of rrr.

[4]
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.

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