in a essay competition the odds against competitors a,b,c,d is 2:1,3:1,4:1 and 5:1 respectively .find the probability that one of them wins the competition
Hello, bluffmaster.roy.007!
In a competition the odds against competitors winning are: . , resp.
Find the probability that one of them wins the competition.
We have: .
I will assume that there is exactly one winner of the competition.
. .
. .
Therefore: .