The Pew Research Center Internet Project, conducted on the 25th anniversary of theInternet, 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 theInternet.a. The sample survey showed that 90% of respondents said the Internet has been a goodthing for them personally. Develop a 95% confidence interval for the proportion ofrespondents who say the Internet has been a good thing for them personally.b. The sample survey showed that 67% of Internet users said the Internet has generallystrengthened their relationship with family and friends. Develop a 95% confidenceinterval for the proportion of respondents who say the Internet has strengthened theirrelationship with family and friends
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.
b. The sample survey showed that 67% of Internet users said the Internet has generally
strengthened their relationship with family and friends. Develop a 95% confidence
interval for the proportion of respondents who say the Internet has strengthened their
relationship with family and friends
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