Mathematics, 15.05.2021 18:20, foziasif724
There are 7 red, 9 blue, 2 yellow and 4 green marbles in a bag. You make 2 draws from the bag without returning the first marble selected back to the bag. What is the possibility you select a green then blue marble at random? Question 3 options:
13/22
7/22 * 4/22 = 28/484
4/22 * 9/21 = 36/462
4/22 + 9/22 = 13/22
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Answers: 3
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There are 7 red, 9 blue, 2 yellow and 4 green marbles in a bag. You make 2 draws from the bag withou...
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