How large a sample ?n , is needed to get the common ±3±3 percentage point margin of error? Use the 2015 sample as a pilot study to get ?
The Monterey Bay Aquarium, founded in 1984, is situated on the beautiful coast of Monterey Bay in the historic Cannery Row district. In 1985, the aquarium began a survery program that involved randomly sampling visitors as they exit for the day. The survey includes visitor demographic information, use of social media, and opinions on their aquarium visit. In 2015, the survey included 356356 visitors over age 6565 , of which 5252 used a mobile device such as an Android phone or iPad during their visit.
(b) How large a sample ?n , is needed to get the common ±3±3 percentage point margin of error? Use the 2015 sample as a pilot study to get ?∗p∗ . (Enter your answer as a whole number.)
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