If m things are distributed among a men and b women. Then the probability that number of things received by men is odd is

10 mangoes are to be distributed among 5 persons. The probability that at least one of them will receive none, is

If 25 identical things be distributed among 5 person then The number of ways each receives atleast one is

Number of ways in which 30 identical things are distributed among six persons is a .^17C_5 if each gets odd number of things b .^16C_11 if each gets odd number of things c .^14C_5 if each gets even number of things (excluding 0) d .^15C_10 if each gets even number of things (excluding 0)

A committee of two persons is selected from two men and two women. What is the probability that the committee will have i. no man? Ii. one man? iii. two men?

If 3n different things can be equally distributed among 3 persons in k ways, then the number of ways to divide the 3n things in 3 equal groups is:

A committee of two persons is selected from two men and two women. What is the probability that the committee will have (a) no man? (b) one man? (c) two men?

A hotel has five single room available, for which six men and three women apply. What is the probability that the rooms will be rented to three men and two women ?

A hotel has five single room available, for which six men and three women apply. What is the probability that the rooms will be rented to three men and two women ?

Number of ways in which 25 identical things be distributed among five persons if each gets odd number of things is

Out of 13 applicants for a job, there are 5 women and 8 men. It is desired to select 2 persons for the job. The probability that at least one of the selected persons will be a woman is