SOLUTION: a bag contains 5 green, 3 orange and 4 yellow tennis balls. A ball is drawn and replaced. then a second ball is drawn. What is the probability that both are green? That both are

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FIRST DRAW SUCCESS IS 5 OUT OF 12 OR 5/12 WITH REPLACXEMENT THE SECOND DRAW HAS THE SAME PROBABILITY OR 5/12 NOW WE MULTIPLY THESE TWO PROBABILITIES 5/12*5/12 AND WE GET 25/144 THAT BOTH ARE GREEN.
YELLOW SUCCESS IS 4/12 & 4/12 OR 16/144 OR 1/9.