EMP Q.12

0. A has one share in a lottery in which there is 1 prize and 2 blanks; B has three shares in a lottery in which there are 3 prizes and 6 blanks; compare the probability of A's success to that of B's success is

Answer
Comment
Array

Option : A
Explanation : A can draw a ticket in ³C₁= 3 ways.
Number of cases in which A can get a prize
is clearly 1.
Probability of A's success = 1/3
Again B can draw a ticket in
Number of ways in which B gets all blanks

Number of ways of getting a prize
= 84 - 20 = 64
Thus, probability of B's success =
A's probability of success : B's probability
of success

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