Express the confidence interval $0.039

Name: Express the confidence interval $0.039 < p < 0.479$ in the form of $\hat { p } \pm \mathrm { E }$ A) $0.22 \pm 0.5$ B) $0.259 \pm 0.22$ C) $0.259 \pm 0.5$ D) $0.259 \pm 0.44$
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Question

Express the confidence interval $0.039 < p < 0.479$ in the form of $\hat { p } \pm \mathrm { E }$
A) $0.22 \pm 0.5$
B) $0.259 \pm 0.22$
C) $0.259 \pm 0.5$
D) $0.259 \pm 0.44$

Quizplus · Accepted Answer

The midpoint of the interval $\hat { p }$ is calculated as $\frac{0.039 + 0.479}{2} = 0.259$. The margin of error $E$ is half the width of the interval, calculated as $\frac{0.479 - 0.039}{2} = 0.22$.

Express the Confidence Interval 0.039<p<0.4790.039 < p < 0.4790.039<p<0.479 In the Form Of

Express the Confidence Interval $0.039 < p < 0.479$ In the Form Of