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Mathematics, 23.04.2020 02:12 hHRS2997

A cereal company is putting 1 of 4 prizes in each box of cereal. The prizes are evenly distributed so the probability of winning any given prize is always 1/4.

Vera wonders how many boxes she should expect to buy to get all 4 prizes. She carried out 36 trials of a simulation and her results are shown below. Each dot represents how many boxes it took to get all 4 prizes in that trial.

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