A committee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either serve together or not at all is

A comittee of 5 is to be chosen from group of 9 people.No.of ways it can be formed if 2 oarticular persons either serve together or mot at all.And 2 other particular persons refuses two serve with each other.

A committee of 5 is to be chosen from a group of 9 people.Number of ways in which it can be formed if two particular persons either serve together or not at all and two other particular persons refuse to serve with each other,is

A committee of five is to be chosen from a group of 8 people which included a married couple. The probability for the selected committee which may or may not have the married couple is

A committee of five is to be chosen from a group of 8 people which included a married couple. The probability for the selected committee which may or may not have the married couple is

A committee of 3 is to be chosen from among 10 people including X and Y. Find the probability that X is the committee

A committee of 3 is to be chosen from among 10 people including X and Y. Find the probability that X or Y belongs the committee

A committee of 3 is to be chosen from among 10 people including X and Y. Find the probability that X and Y belong the committee

If a committee of 3 is to be chosen from a group of 38 people of which you are a member. What is the probability that you will be on the committee?