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1 March, 20:56

Each group of students receives a bag that has 8 red cubes, 2 green cubes, and 10 blue cubes. If each group makes 100 pulls and replaces the cube after each pull, how many times would you expect them to draw a green cube?

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  1. 1 March, 23:18
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    10 green cubes

    Step-by-step explanation:

    The total number of cubes is 8+2+10 = 20

    The probability of drawing a green cube when there is replacement is

    P (green) = green cubes / total

    =2 / 20

    = 1/10

    Multiply the probability by the number of draws to get the total number of cubes

    1/10 * 100 draws = 10 green cubes
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