a) At a local car dealership the probability of a salesman making a car sale to a customer is 0.4. The probability that the customer has a trade in given that a sale was made is 0.6. The probability that a customer has a trade in given no sale is made is 0.25. What is the probability that a customer has a trade in?
b) What is the probability of a sale given that the customer has a trade in?
c) What is the probability that a customer has a trade in and a sale is made?