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1. an urn contains 6 marbles of which 2 are blue, 2 are yellow and 2...

1. an urn contains 6 marbles of which 2 are blue, 2 are yellow and 2 are red. Sarah, Sally, and Sandra take their turn drawing two marbles each, one at a time, and without replacement. a. if sarah is the first to draw two marbles, what is the probability she draws two blue marbles? b. if sarah is the last to draw two marbles, what is the probability she draws two blue marbles. c. if sandra is the last to draw two marbles, what is the probability she draws two marbles of the same color?

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