Question

A box contains 2 green,3 red and a black ball,Three balls are picked at random,In how many ways this can be done if a equal representation is desired ?

Answer 1

@sirm3d

Answer 2

Hints please ?

Answer 3

C(2,1) for the green ball.

Answer 4

So C(3,1) for red

Answer 5

And C(1,1) for black ?

Answer 6

And them multiply ?

Answer 7

yup. don't forget the multiplication rule for compound events.

Answer 8

Ok :)

Answer 9

Answer is 6

Answer 10

6 it is.

Answer 11

Thanks i think i am understanding this :)