Question

Three athletes A,B,C participate in a race.Both A and B have the same probability of winning the race and each is twice as likely to win as C.The probability that B or C wins the race?

Answer 1

total probability = 1

C= x,
so
A=B=2x

A+B+C=1

Answer 2

And independent events too..

Answer 3

right, they are independent events