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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. Lily wonders how many boxes she should expect to buy to get all 4 prizes. She carried out 20 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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Answer: 0.3

Step-by-step explanation:

Because it took fewer than 7 boxes only 6 of the 20 simulated trials

P(fewer than 7 boxes) = 6/20 = 3/10 = 0.3

Answer:  The answer is 0.3

Step-by-step explanation:

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