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anonymous
 one year ago
We have a box with 8 balls numbered: 0,0,0,1,1,1,2,2 we pick three balls respectively, what's the prospect that one of the balls atleast has the number 0 ?
(Knowing that the balls are shapely mached and we can't see them while in the box)
anonymous
 one year ago
We have a box with 8 balls numbered: 0,0,0,1,1,1,2,2 we pick three balls respectively, what's the prospect that one of the balls atleast has the number 0 ? (Knowing that the balls are shapely mached and we can't see them while in the box)

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mathmate
 one year ago
Best ResponseYou've already chosen the best response.0Hint: in either case, it's easier to calculate the probability of getting no "0" ball, and subtract from one to get the probability of getting at least one "0" ball.

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0@Tarek.David Pick all three at the same time, or one at a time with replacement?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0For you're question we pick up the ball, check out it's number and throw it away.
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