Selection

A and B appear for an interview for two vacancies in the same post. The probability of A's selection is 1/6 and that of B's selection is 1/4. Find the probability that (i) Both of them are selected (ii) only one of them is selected (iii) none is selected (iv) at least one of them is selected.

Kamal and Monica appeared for n interview for two vacancies. The probability of Kamal’s selection is 1/3 and that of Monika’s selection is 1/5. Find the probability that Both of them will be selected None of them will be selected At least one of them will be selected Only one of them will be selected.

Find number of ways of selection of one or more letters from AAAABBCCCDEF (0) there is no restriction.(i) the letters A&B are selected atleast once.(ii) only one letter is selected.(iv) a atleast two letters are selected

In a hockey team there are 6 defenders, 4 offenders and 1 goalie . Out of these , one player is to be selected randomly as a captain . Find the probability of the selection that : i. The goalie will be selected. ii . A defender will be selected .

Amit and Nisha appear for an interview for two vacancies in a company. The probability of Amit's selection is 1/5 and that of Nisha's selection is .^(1)//_(6) . What is the probability that (i) both of them are selected? (ii) only one of them is selected? (iii) none of them is selected?

A husband and wife appear in an interview for two vacancies for the same post. The probability of husband’s selection is 1/7 and that of wife’s selection is 1/5. What is the probability that Both of them will be selected? Only one of them will be selected? None of them will selected?

Fatima and John appear in an interview for two vacancies for the same post. The probability of Fatimas selection is 1/7 and that of Jonhs selection us 1/5dot what is the probability that Both of them will be selected? Only one of them will be selected? None of them will be selected?

Selective process are