Question

4. (10 points total) An urn contains 5 red, 6 blue and 8 green balls. (a) (5 points) If a set of 3 balls is selected randomly with replacement, what

is the probability that each ball will be a different color? (b) (5 points) If a set of 3 balls is selected randomly without replacement, what is the probability that each ball will be a different color?

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