Sam buys one ticket for a school charity raffle.
A total of 400 raffle tickets are sold. One of these tickets is drawn at random to win the prize. Each ticket has an equal chance of being drawn.
Write down the probability that Sam's ticket will be the winning ticket.
Write down the probability that Sam's ticket will not be the winning ticket.
84 exam-style questions on Edexcel GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.