Skip to content

Course home

2.3 Probability

2.3 Probability

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163
Question 57

Leroy asks 50 people which sports they watch. They can choose from football (F), golf (G) and hockey (H). 5 people watch all three sports. 8 people watch football and golf 7 people watch golf and hockey 9 people watch football and hockey 31 people watch football 13 people watch golf 17 people watch hockey.

a.

Draw a Venn diagram for this information.

[3]
b.

One of the people is selected at random. Given they watch football, find the probability they do not watch hockey.

[3]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

200 exam-style questions on OCR A Level Maths 2.3 Probability, covering 2.3.1 Mutually exclusive and independent events, 2.3.2 Diagrams to assist probability calculations, 2.3.3 Conditional probability (A-level only), 2.3.4 Conditional probability from first principles (A-level only), and 2.3.5 Modelling with probability. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank