At a certain gas station, 40% of the customers use regulargas(a1), 35 % use plus gas (a2) and 25 % usepremium (a3). of those customers using regular gas, only30 % fill their tanks(event b). of those customers using plus, 60 %fill their their tanks, whereas of those premium, 50 % fill theretanks.
a) what is the probability that the next customer will requestplus gas and fill their tank ?
b) what is the probability that the next customer fills thetank ?
c)if the next customer fills the tank, what is the probabilitythat the regular gas is requested? plus ? premium