In a lottery, there are 9 prizes and 18 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Choices.
A) 1/2  B) 1/3  C) 1/4  D) 1/5  E) 1/6
P(winning a prize) = 9 / (9+18) = 9/27 = 1/3   The answer is 1/3.
<result>B</result>
In a lottery, there are 9 prizes and 18 blanks. A lottery is drawn at random. What is the probability of getting a prize?