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Algebra 8 Online
OpenStudy (anonymous):

How many people would need to be surveyed on health care to estimate the mean of an entire population within 2 units if the standard deviation was 12 and we wanted a 92% confidence level? Thank you in advance!!

OpenStudy (perl):

Confidence interval for population mean \(\large \mu\) is Sample Mean \( \pm \) Margin of Error Margin of error = (confidence coefficient)*Standard error of mean Margin of error = 2

OpenStudy (perl):

Can you proceed from here?

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