Skip to content

Course home

Conditional Probability

Conditional Probability

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637
Question 37

There are 8 counters in a bag. 5 of the counters are red. 3 of the counters are blue. Two counters are taken at random from the bag.

Verify that the probability that one counter of each colour are taken is 1528\displaystyle \frac{15}{28}2815​.

You must show your working.

[4]
Markscheme

Conditional Probability Questions

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

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

Question bank