A biased spinner has four directions: North, South, East and West. The table shows the probabilities that the spinner will land on North, South and East.
| Direction | North | South | East | West |
|---|---|---|---|---|
| Probability | 0.15 | 0.45 | 0.25 |
Complete the table.
The spinner is spun 80 times. Work out an estimate for the number of times the spinner will land on South.
128 exam-style questions on Edexcel GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.