NDA 2016 Mathematics question
In a series of 3 one-day cricket matches between teams A and B of a college, the probability of team A winning or drawing are and respectively. If a win, loss or draw gives 2, 0 and 1 point respectively, then what is the probability that team A will score 5 points in the series?
Answer: (D)
Solution
In 3 matches, 5 points can arise only from two wins and one draw (). The draw can occur in any
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