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4 May, 16:26

Patryk rolls two standard number cubes 45 times. predict how many times he will roll a sum of 4

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  1. 4 May, 18:46
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    There are three ways to get a sum of 4 out of 36 possible die roles, so he gets a 4 1/12 of the time. Thus, the expected value is 45/12=3.75, so the most likely amount is 4 times.
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