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Finding the margin of error for the given 99% confidence interval.

Find the margin of error for the given confidence interval.

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.

o 6.66%
o 10.1%
o 18.6%
o 13.3%
o 5.07%

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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