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 ?

1 Answer
MattyMatty
May 20, 2018

00

Explanation:

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

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