Mathematics, 31.01.2022 14:00, GodlyGamer8239

A box contains 7 red, 12 green, 17 black and 9 yellow colored balls. If 2 balls are selected without replacement, what is the probability obtains 1 green and 1 is black

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A box contains 7 red, 12 green, 17 black and 9 yellow colored balls. If 2 balls are selected without...