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A newsgroup is interested in constructing a 90% confidence interval for the proportion of all americans...

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Basic Math

A newsgroup is interested in constructing a 90% confidenceinterval for the proportion of all americans who are in favor of anew green initiative. Of the 560 randomly selected Americanssurveyed, 392 were in favor of the initiative.

a. With 90% confidence the proportion of all Americans who favorthe new green initiative is between ___ and ___.

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Solution Given thatn 560x 392Point estimate sample proportion x n    See Answer
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