(a) both balls are the same color is Blank 1                (b) the balls are of different colors is Blank 2 (c) at least one of the balls is green Blank 3

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A bag contains 5red balls and 4 green balls. A ball is taken at random, and then put back. A second ball is then taken from the bag. The results are independent because the first ball is put back before the second is taken out. The probability that:

(a) both balls are the same color is Blank 1               

(b) the balls are of different colors is Blank 2

(c) at least one of the balls is green Blank 3       

Round off your final answer to five decimal places. #.#####  

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