Answered: The Pew Research Center Internet…

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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The Pew Research Center Internet Project, conducted on the 25th anniversary of the
Internet, involved a survey of 857 Internet users (Pew Research Center website, April 1,
2014). It provided a variety of statistics on Internet users. For instance, in 2014, 87%
of American adults were Internet users. In 1995 only 14% of American adults used the
Internet.
a. The sample survey showed that 90% of respondents said the Internet has been a good
thing for them personally. Develop a 95% confidence interval for the proportion of
respondents who say the Internet has been a good thing for them personally.

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