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Mathematics
Problem
A box contains 5 red, 4 blue and 3 green balls. Two balls are drawn at random without replacement. What is the probability that at least one of the balls drawn is green? a)
1
2
\dfrac{1}{2}
2
1
b)
5
11
\dfrac{5}{11}
11
5
c)
6
11
\dfrac{6}{11}
11
6
d)
9
22
\dfrac{9}{22}
22
9
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