A bag holds 2 yellow, 1 green, and 2 red marbles. If you were to draw a marble from the bag 150 times, and replace it after each draw, how many yellow marbles would you expect to draw?

I think it is B...?

3 answers

  1. 5 marbles, 2 are yellow
    so p(yellow) = 2/5

    because you replace, events are independent
    (2/5) of the marbles you draw will be yellow
    (2/5) 150 = 60
    yes. B

  2. Thank you

  3. thanks

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