Answer
.377 +- 0.0124
Work Step by Step
p = $\frac{1552}{4111}$ = .377
= p+- z $\times$ $\sqrt \frac{p(1-p)}{n}$
= .377+- 1.64 $\times$ $\sqrt \frac{.377 \times .622}{4111}$
= .377 +- 0.0124
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