math
posted by Nicholas .
You are given the probability of event E. Find the odds in favor of event E and the odds against event E.
a. 1/8
b. 2/5

Prob(E) = 1/8
prob(notE) = 7/8
odds against the event = (7/8) : (1/8) = 7 : 8
do the other one the same way.