Question 1189103
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Two dice rolling has 36 possible different outcomes (36 = 6*6).


The doubles are (1,1), (2,2), (3,3), (4,4), (5,5), (6,6).


Of 36 possible outcomes, exactly 6 outcomes are doubles.


So, the expected value of doubles from 180 rollings is 1/6 of 180, which is 30 occasions.    <U>ANSWER</U>
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Solved and explained.