At a certain amateur bands rock show the ratio of freaks to nerds to geeks is 1:2:3. If these are the only types of people in the crowd, and each person in the crowd has the same chance of yelling "rock on!", what are the chances that the next person who yells "rock on!" will be a geek?
Choose the correct choice:
A) 1/6
B) 1/3
C) 1/2
D) 2/3
E) 5/6
the ratio of freaks to nerds to geeks is 1:2:3.   So, Assuming the number as x,2x and 3x for freaks , nerds and geeks respc.   Probability of next person being Geek = 3x/total   or 3x/6x= 1/2. Hence , 1/2.
<result>C</result>
At a certain amateur bands rock show the ratio of freaks to nerds to geeks is 1:2:3. If these are the only types of people in the crowd, and each person in the crowd has the same chance of yelling "rock on!", what are the chances that the next person who yells "rock on!" will be a geek?