SOLUTION: Mary Math rolls a regular six-sided die and gets five threes and stops. Would it be appropriate to state that her die favors threes? Could we conclude that the proportion of thr

Question 1169919: Mary Math rolls a regular six-sided die and gets five threes and stops. Would it be appropriate to state that her die favors threes? Could we conclude that the proportion of threes is greater than the expected 1/6?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The probablity of this occurring with a fair die is (1/6)^5=0.000128, which is highly unlikely, even with such a small sample size. Note: with a few ten thousands of rolls, this is likely to happen at some point.
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