You recently sent out a survey to determine if the percentage of adults who use social media has changed from 56%, which was the percentage of adults who used social media five years ago. Of the 2703...

You recently sent out a survey to determine if the percentage of adults who use social media has changed from 56%, which was the percentage of adults who used social media five years ago. Of the 2703 people who responded to survey, 1758 stated that they currently use social media.



a)Use the data from this survey to construct a 92% confidence interval estimate of the proportion of adults who use social media. Record the result below in the form of (#,#)(#,#). Round your final answer to four decimal places.





b)Can you conclude that the percentage of adults who use social media has changed? Explain.

c)If it has changed, has it increased or decreased?