# Exam Style Question

## Worked solutions to typical exam type questions that you can reveal gradually

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Question id: 298. This question is similar to one that appeared in a GCSE Foundation paper. The use of a calculator is allowed.

### Frequency Tree

The 37th Wolverhampton Sea Scouts make a game for a fund raising event.

Players can win money by picking a golden ticket from a pot.

A player chooses a pot by picking a green ball or an orange ball out of a bag.

The game is played 500 times altogether and the frequency tree shows some of the outcomes.

(a) Complete the frequency tree.

(b) A player has one go at the game. Use the frequency tree to estimate the probability that the player wins some money.

The Scouts make a profit of £350 from this game.

(c) Work out how much it costs players to have one go at this game.

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