Paper 2 structured question: Conditional probability
Paper 2Core or Extended Mathematics3 marks
Description
Conditional Probability with Balls
A bag contains 5 red balls and 3 blue balls. A ball is drawn at random, not replaced, and then another ball is drawn.
- a[3]
Calculate the probability that the second ball drawn is red, given that the first ball drawn was blue.
Aim for approximately 3 distinct marking points.