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Conditional Probability

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Question 24

A cafe manager records the drink orders of 80 customers. Customers can order Tea (TTT), Coffee (CCC), or Juice (JJJ).

  • 6 customers ordered all three drinks
  • 12 customers ordered both Tea and Coffee
  • 10 customers ordered both Coffee and Juice
  • 15 customers ordered both Tea and Juice
  • 40 customers ordered Tea
  • 35 customers ordered Coffee
  • 25 customers ordered Juice
a.

Draw a Venn diagram for this information.

[3]
b.

One of the customers is selected at random. Given they ordered Coffee, find the probability they did not order Juice.

[3]

Conditional Probability Questions

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

Practise Edexcel A Level Maths Conditional Probability with exam-style questions for A Level Maths. 152 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank