kimberlylove387 kimberlylove387

18-05-2021
Mathematics

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A box contains 11 ribbons. Four are black. What is the probability of drawing two black ribbons without replacement?
7/21
6/55
7/110
100

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parunkutty parunkutty

18-05-2021

Answer:

6/55

4/11*3/10 = 12/110 which equals 6/55

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