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07-05-2024
Mathematics

Answered

Find the indicated margin of error.
In a survey of 280 adukts over 50, 80% said they were taking vitamin supplements. Find the margin of error for the 99% confidence interval used to estimate the population proportion. Give your answer as a percentage.
A. 13.8%
B. 6.16%
C. 4.69%
D. 17.2%
E. 10.5%

Answer :

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