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Bag has 5 red, 7 white balls. Two drawn without replacement. P(both red):
A25/144
BC(5,2)/C(12,2) = 10/66 = 5/33
C5/12
D1/4
Answer & Solution
Correct answer: B. C(5,2)/C(12,2) = 10/66 = 5/33
P(both red) = C(5,2)/C(12,2) = 10/66 = 5/33. Alternative: (5/12) × (4/11) = 20/132 = 5/33.
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