Answer in Statistics and Probability for Chuchu #331769

Question #331769

X= 842, n= 1200, 95% CONFIDENCE

Expert's answer

$\hat p=\frac{842}{1200}=$ 0.0702.

$95\%CI=(0.0702-1.96\sqrt{\frac{0.0702(1-0.0702)}{1200}},0.0702+1.96\sqrt{\frac{0.0702(1-0.0702)}{1200}})=$

$=(0.6758,0.7276).$

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