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 ?

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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 ?

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Answer 1 · 2018-05-20T17:01:22

$0$ $0$

Explanation:

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

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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

Explanation:

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