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10-02-2020
Mathematics

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While spending a day at the beach, Joanna took a survey. She found that 83.5% of people people wore sunscreen. The margin of sampling error was within 2 percentage points. Find the range of beach attendees who wore sunscreen.

Fill in the blank: 81.5≤x≤_____

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10-02-2020

85.5% is the answer as it is 2% above

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