Exercise 9. It is claimed that a community is made up of 60% Democrats, 20% Republicans, and 20%Independents. A sample of 10 community members will be taken. What is the probability that...(a) exactly 6 will be Democrats?(b) exactly 2 will be Independents?(c) at least 2 will be Independents?(d) all 10 will be Democrats?(e) there will be no Republicans?(f) If you observe 9 Democrats, would you reject the "60-20-20" claim? Hint: Compute the chances ofseeing at least 9 Democrats.(g) For all the probabilities above, what big assumption did you make about the sampling process?

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Answered: Exercise 9. It is claimed that a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Exercise 9. It is claimed that a community is made up of 60% Democrats, 20% Republicans, and 20% Independents. A sample of 10 community members will be taken. What is the probability that... (a) exactly 6 will be Democrats? (b) exactly 2 will be Independents? (c) at least 2 will be Independents?