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Conditional Probability

Conditional Probability

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Question 30

Here are seven number cards.

Seven number cards: 1, 1, 2, 2, 3, 3, 3

Helen takes a card at random. She does not replace the card. Helen then takes another card at random.

a.

Calculate the probability that both cards have the same number on them.

[4]
b.

Calculate the probability that the number on the second card Helen takes is greater than the number on the first card she takes.

[4]
Markscheme

Conditional Probability Questions

  1. GCSE
  2. /Maths
  3. /Conditional Probability

72 exam-style questions on Edexcel GCSE Maths Conditional Probability. Each one has a worked solution and a mark scheme showing where the marks go.

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