Mathematics, 30.04.2021 23:00 rudolph34

Ben has a box of marbles. 30 of the marbles are red, 14 are green and 16 are blue. Ben randomly selects a marble from the box, records the color and then replaces the marble in the box. If he selects a marble 30 times, how many times do you predict he will select a blue marble?

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Ben has a box of marbles. 30 of the marbles are red, 14 are green and 16 are blue. Ben randomly sele...