Q.15 For the FIFA world cup, Paul the octopus has been
predicting the winner of each match with amazing success.
It is rumored that in a match between 2 teams A and B, Paul
picks A with the same probability as A’s chances of
winning. Let’s assume such rumors to be true and that in a
match between Ghana and Bolivia, Ghana the stronger team
has a probability of 2/3 of winning the game. What is the
probability that Paul will correctly pick the winner of the
Ghana-Bolivia game?
4/9
2/3
1/9
5/9
Answer is: 5/9
can someone plz explain how this ans is calculated?????
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Answer Posted / anugoonj
its (2/3)^2 + (1/3)^2= 4/9+1/9 = 5/9
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