A small town has one fire engine and one ambulance available for emergencies. The probability that t

A small town has one fire engine and one ambulance available for emergencies. The probability that the fire engine is available when needed is 0.97, and the probability that the ambulance is available when called is 0.93. In an event of emergency, find the probability that(i) Neither the ambulance nor the fire engine is available.(ii) That at least one of them is available.