Mathematics, 14.04.2020 21:37 weeblordd

A bag contains 21 red marbles, 2 white marbles, and 5 gray marbles. You randomly pick out a marble, record its color, and put it back in the bag. You repeat this process 84 times. How many white or gray marbles do you expect to get?

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A bag contains 21 red marbles, 2 white marbles, and 5 gray marbles. You randomly pick out a marble,...