Probability that the next customer fills the tank

Reference no: EM1398160

At a certain gas station, 45% of the customers use regular unleaded gas (A1), 35% use extra unleaded gas (A2), and 20% use premium unleaded gas (A3). Of those customers using regular gas, only 50% fill their tanks (event B). Of those customers using extra unleaded or premium gas, 60% fill their tanks. What is the probability that the next customer fills the tank?

Reference no: EM1398160

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