Question

Express the confidence interval ( 0.038 , 0.104 ) in the form of p - E...

Express the confidence interval ( 0.038 , 0.104 ) in the form of p - E < p< p+e

Math   Statistics-And-Probability   
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Answer #1

Solution :

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

Point estimate = =  ( 0.038 + 0.104 )/ 2=0.071

Margin of error = E = Upper confidence interval - = 0.104-0.071=0.033

In the form of :

- E < p < + E is,

0.071 - 0.033 < p <0.071+0.033

0.038<p<0.104

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