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18 September, 11:50

Lana has a bowl of marbles the bowl contains 5 green marbles, 3 red marbles and 2 blue marbles from the bowl one at a time. What is the probability that lana will select a green marble first, replace the marble, then select a red marble

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  1. 18 September, 11:58
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    3/20

    Step-by-step explanation:

    5 green marbles, 3 red marbles and 2 blue marbles from the bowl = 10 marbles

    P (green) = green/total = 5/10 = 1/2

    Replace

    5 green marbles, 3 red marbles and 2 blue marbles from the bowl = 10 marbles

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

    P (green, replace, red) = 1/2 * 3/10 = 3/20
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