Suppose that 80% of all customers who regularly purchased in this store choose an electronic keyboard, 75% choose a guitar, 68% choose a cello, 60% choose both an electronic keyboard and a guitar, 55% choose both an electronic keyboard and a cello, 53% choose both a guitar and a cello, and 42% chose all three instruments. What is the probability that a randomly selected customer who regularly purchased items in this music store did not choose to purchase any of these instruments

Suppose that 80% of all customers who regularly purchased in this store choose an electronic keyboard, 75% choose a guitar, 68% choose a cello, 60% choose both an electronic keyboard and a guitar, 55% choose both an electronic keyboard and a cello, 53% choose both a guitar and a cello, and 42% chose all three instruments. What is the probability that a randomly selected customer who regularly purchased items in this music store did not choose to purchase any of these instruments

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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