The table shows the probabilities that a biased spinner will land on 1, on 2, on 4 and on 5.
| Number | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Probability | 0.15 | 0.25 | 0.1 | 0.2 |
The spinner is spun 300 times.
Work out an estimate for the number of times the spinner will land on 1 or on 3.
Practise Edexcel GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.