tamiephi tamiephi

22-04-2015
Mathematics

contestada

if you roll a number cube 12 times, about how many times would you expect to roll a 5 or 6

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Frankyg44 Frankyg44

22-04-2015

You have a 1/3 chance each time you role So 1/3 x 12 = 4 times that you would role a 5 or a 6

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