Skip to content

Course home

Two Way Tables

Two Way Tables

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149
Question 136

Two different schools, school A and school B, attended a conference.

12% of the attendees were teachers, the rest were students. 7% of the attendees were teachers from school A. 48% of the attendees were students from school B.

One of the attendees is selected at random. Find the probability that they are from school A.

[4]
Markscheme

Two Way Tables Questions

  1. GCSE
  2. /Maths
  3. /Two Way Tables

159 exam-style questions on OCR GCSE Maths Two Way Tables. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank