Mathematics, 11.11.2019 00:31 mdsulli99
The latest poll of 400 randomly selected residents showed that 288 of them are hoping that the old town cinema stays open on main street.
with a desired confidence interval of 95%, which has a z*-score of 1.96, what is the approximate margin of error for this polling question?
a) 4%
b) 5%
c) 7%
d) 8%
Answers: 2
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