Answer to Question #58949 in Statistics and Probability for ABJ

Question

1. If 55% of companies in Tokyo own an answering machine, what is the probability that 3 of the next 4 randomly selected companies in Tokyo will own an answering machine?
2. A red die and a green die are rolled once. Find the conditional probability that the number on red die is odd, given that the sum of the two numbers showing is 9
3.A bus starts with 8 people and stops at 9 different stops. how many different ways can the 8 people depart if no two passengers can leave at the same bus stop
4. Let A and B be any two events defined on the same sample space. Suppose P(A) = 0.3 and P(A U B) = 0.6. Find P(B) such that A and B are independent.