Matakuja Bank is concerned with the basic education skills of its office attendants and decided to offer a selected group of them two short term trainings in office operations and customer care. Of these workers, 40% signed up for the office operations training and 50% for the customer care training. Of those signing up for the office operations, 30% signed up for the customer care training i) What is the probability that a randomly selected worker who signed up for the customer care training also signed up for the office operations? ii) What is the probability that a randomly chosen worker signed up for at least one of these two trainings? iii) Are the events “signing up for the office operations” and “signing up for the “customer care” sta

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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Matakuja Bank is concerned with the basic education skills of its office attendants and decided to offer a selected group of them two short term trainings in office operations and customer care. Of these workers, 40% signed up for the office operations training and 50% for the customer care training. Of those signing up for the office operations, 30% signed up for the customer care training i) What is the probability that a randomly selected worker who signed up for the customer care training also signed up for the office operations? ii) What is the probability that a randomly chosen worker signed up for at least one of these two trainings? iii) Are the events “signing up for the office operations” and “signing up for the “customer care” statistically independent?
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