Asked by Ian

Two players each flip a fair coin. The probability that they get the same result can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?
Answered by Reiny
the 4 possible outcomes are

HH
HT
TH
TT

so the prob (both have the same) = 1/4

you do the a and b stuff
Answered by Ian
Dont understand the a,b one TT
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