Asked by Meghan
A teacher is trying to pick 7 students to represent his class at an upcoming state competition. If there are 18 boys and 10 girls in the class, in how many ways can the teacher pick 4 boys and 3 girls to attend the event?
Answers
Answered by
MathMate
Number of ways
=(18 choose 4)*(10 choose 3)
=C(18,4)*C(10,3)
with C(n,r) as defined before.
=(18 choose 4)*(10 choose 3)
=C(18,4)*C(10,3)
with C(n,r) as defined before.
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