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0. A man alternately tosses a coin and throw:, a dice, beginning with the coin. Then the probability that he will get a head before he gets a 5 or 6 on dice is
1/4
3/4
4/5
1/7
Let A be the event of getting 5 or 6P(A) = 1/3 and B be the event of getting 1,2,3,4P(B) = 2/3In order to get a 'Head' before "5 or 6", thefollowing events have to occur:H, TBH, TBTBH, TBTBTBH, ....
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