idk18 idk18
  • 24-03-2015
  • Mathematics
Answered

Gil rolls a number cube 78 times. How many times can he expect to roll an odd number greater than 1?



Answer :

epiphi epiphi
  • 24-03-2015
Is the number cube a dice with 6 sides? If so, then there are 2 of the 6 sides that are odd numbers more than 1. Therefore, it is 2/6, or 1/3 of the sides.

So on 78 rolls, 1/3 of those is 26. You are expected to get 26.
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