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
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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
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