4.10 A manufacturing company has two retail outlets.

It is known that 30% of the potential customers buy products from outlet I alone, 50% buy from outlet II alone, 10% buy from both I and II, and 10% buy from neither. Let A denote the event that a potential customer, randomly chosen, buys from I and B denote the event that the customer buys from II. Find the following probabilities.
a b c d e f g