Answer to Question #59918 in Statistics and Probability for joseph ogala

Question

1 In how many ways can a family of 9 divide itself into 3 groups so that each group contains 3 persons?

2 Four digits numbers are to be formed using any of the digits 1, 2, 3, 4, 5, 6. If no repetition of digit is allowed how many 4-digit even numbers can be formed?

3 A club consist of 10 men and 5 women, in how many ways can a committee of 6 consisting of 4 men and 2 women be chosen?

4 Let A and B be any two events defined on the same sample space. Suppose P(A) = 0.3 and P(A B) = 0.6. Find P(B) such that A and B are independent.

5 Let A and B be any two events defined on the same sample spaceSuppose P(A) = 0.3 and P(A B) = 0.6. Find P(B) such that A and B are mutually exclusive.