3. At a certain gas station, 40% of the customers use regular gas, 35% use plus gas, and 25% use premium. Of those customers using regular gas, only 30% fill their tanks. Of those customers using plus, 60% fill their tanks, whereas of those using premium, 50% fill their tanks. a. What is the probability that the next customer will request plus gas and fill the tank? b. What is the probability that the next customer fills the tank? C. If the next customer fills the tank, what is the probability that regular gas is requested? Plus? Premium?

3. At a certain gas station, 40% of the customers use regular gas, 35% use plus gas, and 25% use premium. Of those customers using regular gas, only 30% fill their tanks. Of those customers using plus, 60% fill their tanks, whereas of those using premium, 50% fill their tanks. a. What is the probability that the next customer will request plus gas and fill the tank? b. What is the probability that the next customer fills the tank? C. If the next customer fills the tank, what is the probability that regular gas is requested? Plus? Premium?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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