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Interval estimates for proportions — Question 225

Original QCE Vault practice · 1 mark

Q225 · Practice questionTechnology-activeComplex familiar1 mark

QUESTION 225

For pp-hat=0.64,n=400=0.64, n=400 and z=1.96z=1.96, the approximate margin of error is closest to
(A)
0.0640.064
(B)
0.0470.047
(C)
0.0960.096
(D)
0.0240.024
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