Mathematics, 01.12.2021 02:50, Raechelrae04

In a survey of 280 adults over 50, 75% said they were taking vitamin supplements. Find the margin of error for this survey if we want a 99% confidence in our estimate of the percent of adults over 50 who take vitamin supplements. (Round to the nearest thousandths.)

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In a survey of 280 adults over 50, 75% said they were taking vitamin supplements. Find the margin of...