margin of error = critical z * standard error = 2.58 * sqrt(p * (1-p)/n) = 2.58 * sqrt(0.89 * 0.11/250) = 0.051
Brooke C.
asked • 11/10/21Find the margin of error
If n=250 and (p hat)=0.89, find the margin of error at 99% confidence level.
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