Question

Express the confidence interval 70.8%<p<77.6%70.8%<p<77.6% in the form of ˆp±MEp^±ME

Express the confidence interval 70.8%<p<77.6%70.8%<p<77.6% in the form of ˆp±MEp^±ME

Math   Statistics-And-Probability   
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Answer #1

Solution :

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

Point estimate = = (0.708+0.776) / 2=0.742

Margin of error = E = Upper confidence interval - = 0.776-0.742=0.034

In the form of :

- ME < p < + ME is,

74.2%<p<3.4%

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