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)
Stacey Warren - Expert brainly.com
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Hint: 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.
Pick all three at the same time, or one at a time with replacement?
For you're question we pick up the ball, check out it's number and throw it away.