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27 July, 18:10

A bag contains 10 marbles: 2 are green, 2 are red, and 6 are blue. Deshaun chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the first marble is green and the second is red?

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  1. 27 July, 19:33
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    Step-by-step explanation:

    Total marble = 10

    No. Blue = 6

    No. Red = 2

    No. Green = 2

    Prob (1st Green) = 2/10 = 1/5

    Now there are 9 marble left because it is not replaced back

    Prob (2nd Red) = 2/9

    Prob (1st green and 2nd red)

    =1/5*2/9 = 2/45
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