Question

Ms. Bells math class consists of 4 sophomores, 10 juniors, and 5 seniors. how many different ways can
Ms. Bell create a 4 member committee of juniors if each junior has an equal chance of being selected?

Answer 1

How do you tackle this question?

Answer 2

19c4
19 is the number of students and Ms. bell has to choose 4.

Answer 3

Can you simplify it?

Answer 4

I got 3,876 as my answer.

Answer 5

You are correct ^_^

Answer 6

Wait

Answer 7

Wait

Answer 8

It's a committee of juniors right? then 10c4

Answer 9

It cant be a permutation, since its not specific.

Answer 10

Oh yes, it's juniors. Nice catch.

Answer 11

shouldnt it be 10! not 19!

Answer 12

I know, since it's only for juniors, it's 10c4

Answer 13

Which will make it 210.

Answer 14

I just stated that @lgbasallote +.+ you should be more observant

Answer 15

Yes. Correct!

Answer 16

Awesome.

Answer 17

laggy net

Answer 18

\[\binom{10}4 =210 \]