SOLUTION: If two dice are rolled simultaneously 180 times. on how many occasions would you expect to get a double. So I'm a little stuck on how to solve this. Also, by double do they mean tw

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Question 1189103: If two dice are rolled simultaneously 180 times. on how many occasions would you expect to get a double. So I'm a little stuck on how to solve this. Also, by double do they mean two's?
Answer by ikleyn(52858) About Me  (Show Source):
You can put this solution on YOUR website!
.

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.    ANSWER

Solved and explained.