Question 1124560
probability of three coins coming up heads are 0.5, 0.5, and (5/6) or 0.8333
the expected value of heads is (1/2)(1/3)*2+(5/6)(1/3)=1/3+(5/18)=(11/18) ANSWER
P(Fair|Heads)=P(Fair)*P(H|F)/P(H)
=(2/3)*(1/2)/(11/18)
=(1/3)(18/11)=18/33 or 6/11 ANSWER