Question

Express the confidence interval (0.074,0.162) in the form of Ep−E<p<p+E.

Express the confidence interval (0.074,0.162) in the form of Ep−E<p<p+E.

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Solution :

Point estimate = = (Lower confidence interval + Upper confidence interval ) / 2

Point estimate = = (0.074+0.162) / 2=0.118

Margin of error = E = Upper confidence interval - = 0.162-0.118=0.044

In the form of :

- E < p < + E is,

0.118-0.044< p < 0.118+0.044

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