1.1 A car dealer has established that 40% of his potential customers prefer single cab cars while 60% prefer double cab cars. From a recent survey among his existing clients, he obtained additional information which indicates that 15% of clients who bought single cab cars prefer air conditioning while 65% of clients who bought double cars prefer air conditioning.

Required:

a)What is the probability that a client who bought a single cab does not prefer air

conditioning?(5)

b)What is the probability that a client prefers a double cab with air conditioning?(10)