Social Networking Sites Ina survey of 2255 randomly selected US adults (age 18 or older), 1787 of them use the Internet regularly. Of the Internet users, 1054 use a social networking site.' Find a 99% confidence interval for each of the following proportions. 1Hampton, K, Goulet, L., Rainie, L., and Purcell, K., "Social Networking Sites and Our Lives, Pew Research Center, June 16, 2011. (a) Proportion of US adults who use the Internet regularly. Round your answers to three decimal places. The 99% confidence interval is i to i eTextbook and Media Hint (b) Proportion of US adult Internet users who use a social networking site. Round your answers to three decimal places. to i The 99% confidence interval is
Social Networking Sites Ina survey of 2255 randomly selected US adults (age 18 or older), 1787 of them use the Internet regularly. Of the Internet users, 1054 use a social networking site.' Find a 99% confidence interval for each of the following proportions. 1Hampton, K, Goulet, L., Rainie, L., and Purcell, K., "Social Networking Sites and Our Lives, Pew Research Center, June 16, 2011. (a) Proportion of US adults who use the Internet regularly. Round your answers to three decimal places. The 99% confidence interval is i to i eTextbook and Media Hint (b) Proportion of US adult Internet users who use a social networking site. Round your answers to three decimal places. to i The 99% confidence interval is
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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Transcribed Image Text:Social Networking Sites
In a survey of 2255 randomly selected US adults (age 18 or older), 1787 of them use the Internet regularly. Of the Internet users, 1054
use a social networking site. Find a 99% confidence interval for each of the following proportions.
Hampton, K., Goulet, L., Rainie, L., and Purcell, K., "Social Networking Sites and Our Lives," Pew Research Center, June 16, 2011.
(a) Proportion of US adults who use the Internet regularly.
Round your answers to three decimal places.
The 99% confidence interval is i
to
eTextbook and Media
Hint
(b) Proportion of US adult Internet users who use a social networking site.
Round your answers to three decimal places.
to
The 99% confidence interval is i
eTextbook and Media
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Transcribed Image Text:(c) Proportion of all US adults who use a social networking site.
Round your answers to three decimal places,
I
The 99% confidence interval is i
to
Use the confidence interval to estimate whether it is plausible to estimate that 50 % of all US adults now use a social networking
site.
eTextbook and Media
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