Question

A lecturer wants to divide a class of 18 students into 3 groups, each of 6 students, to do 3 different statistical projects.

(a) If there are 3 girls in the class, find the number of ways that there is one girl in each group
PLS HELPPPP

Answer 1

The lecturer has to divide the class into 3 groups of 6 which have 1 girl in each group to have 1 girl in each class.

(sry if this sounds a little akward didn't have enough time to type this answer out).