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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1. Lauren drinks a variety of soft drinks. over the past month she has had 16 diet cokes for 4 cans of lemonade, and 5 cans of rootbeer. A. Given her history, what is the probability that her next drink will be diet cola? Lemonade? Rootbeer? B) what definition of probability should be used to answer this question?
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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?