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Bag I: 2 white, 3 red; Bag II: 4 white, 5 red. A bag is chosen at random. P(white)?
A2/5
B3/7
C19/45
D2/7
Answer & Solution
Correct answer: C. 19/45
P(white) = (1/2)(2/5) + (1/2)(4/9) = 1/5 + 2/9 = 19/45.
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