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2 Statistics

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Question 189

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

Figure for question 6

It is given that P(A)=0.4P(A) = 0.4P(A)=0.4 and P(A∪B)=0.7P(A \cup B) = 0.7P(A∪B)=0.7.

a.

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

[4]
b.

State, giving a reason, whether the events A A\,A and B B\,B are independent.

[2]
Markscheme

2 Statistics Questions

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

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