ProbabilityHard

Question

A has 3 tickets in a lottery containing 3 prizes and 9 blanks; B has 2 tickets in a lottery containing 2 prizes and 6 blanks : compare their chances of success

Options

A.952 / 715
B.950 / 952
C.952 / 710
D.None of these

Solution

                     
P(A) = 1 - P(A)       P(B) = 1 - P(B)
= 1 -                = 1 -

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