(Use Conditional to Bayes) 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                (b) the balls are of different colors is  (c) at least one of the balls is green     Round off your final answer to five decimal places.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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(Use Conditional to Bayes)

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               

(b) the balls are of different colors is 

(c) at least one of the balls is green    

Round off your final answer to five decimal places.

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