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28 October, 04:52

Aron has a bag of marbles that contains three red (R) marbles, four green (G) marbles, and three blue (B) marbles. 3 red marbles, 4 green marbles, and 3 blue marbles. Which expression represents the probability of randomly selecting a green (G) marble, replacing it, and then randomly selecting a red (R) marble? StartFraction 1 over 10 EndFraction (StartFraction 1 over 10 EndFraction) StartFraction 4 over 10 EndFraction (StartFraction 3 over 10 EndFraction) StartFraction 4 over 10 EndFraction (StartFraction 3 over 9 EndFraction) One-fourth (one-third)

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  1. 28 October, 05:04
    0
    3/25

    Step-by-step explanation:

    3 red marbles, 4 green marbles, and 3 blue marbles = 10 marbles

    P (green) = number of green / total = 4/10 = 2/5

    We replace it

    3 red marbles, 4 green marbles, and 3 blue marbles = 10 marbles

    P (red) = number of red / total = 3/10

    P (green, replace, red) = 2/5*3/10 = 3/25
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