An random sample of 1200 American adults was asked, “What do you think is the most important problem facing the United States?” Thirty percent (30%) of the respondents replied “dysfunctional government”. The samplingdistribution is approximately normal with a mean of 0.30 and standard deviation of 0.013. What is the probability that less than 0.278 of the sample feel “dysfunctional government” is the most important problem facing the United States?What is the probability that at least 0.313 of the sample feels “dysfunctional government” is the most important problem facing the United States?What is the probability that between 0.281 and 320 of the sample feels “dysfunctional government” is the most important problem facing the United States?

Let the random variable X be the sample feel "dysfunctional government" is the most important…

Answered: An random sample of 1200 American…

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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An random sample of 1200 American adults was asked, “What do you think is the most important problem facing the United States?” Thirty percent (30%) of the respondents replied “dysfunctional government”. The samplingdistribution is approximately normal with a mean of 0.30 and standard deviation of 0.013.

What is the probability that less than 0.278 of the sample feel “dysfunctional government” is the most important problem facing the United States?
What is the probability that at least 0.313 of the sample feels “dysfunctional government” is the most important problem facing the United States?
What is the probability that between 0.281 and 320 of the sample feels “dysfunctional government” is the most important problem facing the United States?

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