manofsteel75 manofsteel75

25-04-2017
Mathematics

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Harlene tosses two number cubes. If a sum of 8 or 12 comes up, she gets 9 points. If not, she loses 2 points. What is the expected value of the number of points for one roll?

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Аноним Аноним

25-04-2017

8 + 12 + 20
20 - 9 = 11
11 - 2 = 9

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