The work has not been graded but I like the output that was submitted to me. Is it possible for the same prof to do the next assignment I will be submitting? If possible, I will greatly appreciate it.
This is the last question that I am having a hard time with.
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.1 Find a 90% confidence interval for each of the following proportions.
Proportion of US adults who use the Internet regularly. Round your answers to three decimal places.
A 90% confidence interval is ______________ to ____________.
Proportion of US adult Internet users who use a social networking site. Round your answers to three decimal places.
A 90% confidence interval is ____________ to _____________.
Proportion of all US adults who use a social networking site. Round your answers to three decimal places.
A 90% confidence interval is ____________ 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.
Thank you,
Jessica
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