A is one of five horses entered for a race, and is to be ridden by one of two jockeys B and C; it is 3 to 1 that B rides A, in which case all the horses are equally likely to win, if C rides A, his chance is doubled. What are the odds in favour of his winning ?

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A: Solution is given:

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Q: Rica is either the winner or the runner-up?

A: Here use basic probability 

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Q: 2_The number of ways to distribute 7 games to three children so that the youngest child gets three g...

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