SOLUTION: An urn contains 5 red marbles, 8 blue marbles, 7 white marbles, and 5 yellow marbles. 4 marbles are selected at random. What is the probability that each marble is a different colo

Question 616181: An urn contains 5 red marbles, 8 blue marbles, 7 white marbles, and 5 yellow marbles. 4 marbles are selected at random. What is the probability that each marble is a different color? OR that 4 marbles are the same color?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

 An urn contains  marbles: 5 red, 8 blue, 7 white , and 5 yellow.

4 marbles are selected at random.

P(each different color) = 

P(same color) = P(all red)+P(all blue) + P(all white) +P(all yellow)

              =  

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