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Two balls are drawn in succession out of a box containing 5 red and 2 white balls. Find the probability that at least 1 ball

Two balls are drawn in succession out of a box containing 5 red and 2 white balls. Find the probability that at least 1 ball wasred, given that the first ball was

(A)

Replaced before the second draw.

(B)

Not replaced before the second draw

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