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3 years ago

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An urn initially contains 5 white balls and 7 black balls. each time a ball is selected, its color is noted and it is replaced i

n the urn along with 2 more balls of the same color. what is the probability that of the first 2 balls selected, one is white and one is black?

1 answer:

Tomtit [17]3 years ago

8 0

The Answer To Your Q Is 3 Young Sir

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