Answer:
4:16 = 0.25
Explanation:
16 outcomes are possible, 4 with the same number.
The probability of both dice having the same number is 636, as there are 36 different outcomes, 6 of which have two of the same number, i.e. (1,1),(2,2),....
The expected number of rolls of this type in 100 pairs of dice rolls is 100∗636
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