Skip to content

Course home

Sign up

2.3.10 Conditional probabilities (A-level only)

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117
Question 17

A fruit basket contains 12 apples, 9 bananas, and 4 oranges. Two pieces of fruit are taken from the basket at random.

a.

Draw a tree diagram to represent this information.

[3]
b.

Find the probability that both pieces of fruit are oranges.

[2]
c.

Given that at least one of the fruits is a banana, find the probability that both are bananas.

[3]
Markscheme

2.3.10 Conditional probabilities (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.3.10 Conditional probabilities (A-level only)

164 exam-style questions on OCR (MEI) A Level Maths 2.3.10 Conditional probabilities (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank