A cereal company is putting 1 of 3 prizes in each box of cereal. The prizes are evenly distributed so the

probability of winning any given prize is always 1/3

Mohamed wonders how many boxes he should expect to buy to get all 3 prizes. He carried out 24 trials of

a simulation and his results are shown below. Each dot represents how many boxes it took to get all 3

prizes in that trial.

3

4 5

6

7 8

9 10 11 12

# of boxes purchased

Use his results to estimate the probability that it takes more than 3 boxes to get all 3 prizes

Give your answer as either a fraction or a decimal

P(more than 3 boxes) C