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Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not disapprove? b) was in the under 25 age group and approved? c) was not in the under 25 age group and approved? d) was in the under 25 age group or was indifferent? e) was not in the under 25 age group or was indifferent?

Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not disapprove? b) was in the under 25 age group and approved? c) was not in the under 25 age group and approved? d) was in the under 25 age group or was indifferent? e) was not in the under 25 age group or was indifferent?

A First Course in Probability (10th Edition)
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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The following joint frequency distribution table shows responses from a sample of 202 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval. Age Group Approve Disapprove Indifferent Total under 25 10 26 25 61 25 to 40 13 23 11 47 over 40 37 37 20 94 Total 60 86 56 202 Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not disapprove? b) was in the under 25 age group and approved? c) was not in the under 25 age group and approved? d) was in the under 25 age group or was indifferent? e) was not in the under 25 age group or was indifferent? f) was not under 25 and did not disapprove? 2. Given that an employee was in the over 40 age group, what is the probability that the employee a) approved? b) was not indifferent? 3. What is the probability of selecting an employee that was in the under 25 age group given a group of employees that a) approved? b) did not approve?
Transcribed Image Text:The following joint frequency distribution table shows responses from a sample of 202 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval. Age Group Approve Disapprove Indifferent Total under 25 10 26 25 61 25 to 40 13 23 11 47 over 40 37 37 20 94 Total 60 86 56 202 Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not disapprove? b) was in the under 25 age group and approved? c) was not in the under 25 age group and approved? d) was in the under 25 age group or was indifferent? e) was not in the under 25 age group or was indifferent? f) was not under 25 and did not disapprove? 2. Given that an employee was in the over 40 age group, what is the probability that the employee a) approved? b) was not indifferent? 3. What is the probability of selecting an employee that was in the under 25 age group given a group of employees that a) approved? b) did not approve?
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