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(1 point) A nationally representative survey of 1979 adults ages 18+ was taken October 3-6, 2013. It was conducted in English on land line and cell phones. Photos and videos have become an integral part of the online social experience In a new survey conducted by Pew Research Center's Internet Proiect, more than half of internet users post or share photos or videos online. Our latest data shows: 669 of 996 adult internet users post original photos or videos online that they themselves have created. We call them creators and their number has grown from 46% of internet users last year. 596 of 983 adult internet users take photos or videos that they have found online and repost them on sites designed for sharing images with many people. We call them curators and their number has grown from 41% of internet users last year. Do the chosen samples suggest that the percentage of creators is 3% more then the proportion of curators (based on the most recent information we have)? Use creators as sample 1 and curators as sample 2. (a) Compute a the correct condence interval or bound. Which sign would you use in the alternative hypothesis? 0 A- 2 oB-a oc. (b) Compute the confidence bound required to test the statistical hypothesis in part (a). Use at least five-decimals in your answer. Lower Bound of CI = ! 1 may be a possibility. ? Upper Bound of CI = 1 may be a possibility. is less than is greatert (c) Using an a of 5%, this data suggest that the null hypothesis should 7 V The proportion of Creators \\/ is less than or Equal to e proportion of Curators plus 3%. is greater than or equal to