Group A has 3 boys and 4 girls, group B has 2 boys and 2 girls and group C has 4 boys and 4 girls. One student is selected from each of the group. Find the probability that one girl and two boys are among the three selected?
Choose the correct option
A) 13/4	B) 19/28	C) 9/15	D) 29/35	E) 77/27
Group A has 3 boys and 4 girls; 7   Group B has 2 boys and 2 girls; 4   Group C has 4 boys and 4 girls. 8   Selected group should have one girl and two boys.   Girl from A, boy from B, boy from C: 4/7*2/4*4/8 = 1/7;   Boy from A, girl from B, boy from C: 3/7*2/4*4/8 = 3/28;   Boy from A, boy from B, girl from C: 3/7*2/4*4/8 = 3/7.   Sum = 1/7 + 3/28 + 3/7 = 19/28.   Answer: 19/28.
<result>B</result>
Group A has 3 boys and 4 girls, group B has 2 boys and 2 girls and group C has 4 boys and 4 girls. One student is selected from each of the group. Find the probability that one girl and two boys are among the three selected?