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What is the ratio of individuals for whom the ra

What is the ratio of individuals for whom the ra

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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Excrcisel Main source of information Age Radio Television Newspapers Internet Less than 30 years Between 30 and 50 years More than 50 years 30 30 20 45 20 40 10 25 30 40 1- What is the ratio of individuals for whom the radio is the main source of information? 2- What is the ratio of individuals under 30 years? 3- What is the ratio of individuals under 30 years for whom the radio is the main source of information? 4. Can we conclude that the "main source of information" and the "age" are independent?
Transcribed Image Text:Excrcisel Main source of information Age Radio Television Newspapers Internet Less than 30 years Between 30 and 50 years More than 50 years 30 30 20 45 20 40 10 25 30 40 1- What is the ratio of individuals for whom the radio is the main source of information? 2- What is the ratio of individuals under 30 years? 3- What is the ratio of individuals under 30 years for whom the radio is the main source of information? 4. Can we conclude that the "main source of information" and the "age" are independent?
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