When rolling a pair of six sided dice, what is the chance of rolling “ten” or “eleven”?
Total sample space = 6 * 6 = 36
P(10 or 11) = P(10) + P(11)
= [P(4,6) + P(5,5) + P(6,4)] + [P(5,6) + P(6,5)]
= 5/36 (ans)
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