Question

A bag contains 15 balls. 9 white , 4 black and 2 green. a)We pick 7 balls. Whats the probability that the balls color ratio will be the same as in the bag ?

Answer 1

`0`

Explanation:

`"Only possibility would be 1 green + 2 black + 4.5 white but we"`
`"can not cut a ball in two and 1+2+4.5 = 7.5 and not 7."`
`"So it is impossible, so"`
`=> " Probability "= 0`