Mathematics, 18.03.2021 01:50 carolinamleal04

A bag contains 12 blue marbles, 15 red marbles, and 13 purple marbles. If Monty randomly draws a marble from the bag (and puts it back) 20 times, how many times should he expect to pull a blue marble?

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A bag contains 12 blue marbles, 15 red marbles, and 13 purple marbles. If Monty randomly draws a mar...