Mandrake has to choose 4 from 20 people. There are 3 girls, 5 boys , 12 children. What is total probability that he will choose 1G , 2B , 1C? Options:
A) 1/27  B) 2/27  C) 3/7  D) 4/7  E) 5/7
(3C1 * 5C2 * 12C1)/ 20C4 = 3*10*12/4845= 360/4845=2/27   ANSWER:2/27
<result>B</result>
Mandrake has to choose 4 from 20 people. There are 3 girls, 5 boys , 12 children. What is total probability that he will choose 1G , 2B , 1C?