A biased four-sided dice can land on 1, 2, 3 or 4.
The table shows the probabilities that the dice will land on 1, 2 and 3.
| Number | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Probability | 0.4 | 0.1 | 0.25 |
Complete the table.
James is going to roll the dice 80 times.
Work out an estimate for the number of times the dice will land on 1.