Solution for Problem 8.8.4

The probability of winning a race is 0.70.  Find the odds in favor of winning.

If the probability of the event is 

, then the odds in favor of an event are a to b.

Solve

Step

a = 7 and a + b = 10

7 + b = 10 Þ b = 3

Solve for b using a = 7

The odds of winning are 7 to 3. (a to b)