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Three bags contain a number of red and white balls as follows Bag I : 3 red balls, Bag II : 2 red balls and 1 white balls and Bag III : 3 white balls. The probability that bag i will be chosen and a ball is selected from it is `i/6`, where i=1,2,3. What is the probability that
(i) a red ball will be selected? (ii) a white ball is selected?

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The correct Answer is:
`(11)/(18)`
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