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September 30, 2014

Homework Help: statistics

Posted by D on Friday, May 18, 2012 at 10:19pm.

In a survey of 400 college students, 40 were left-handed. Treating the sample as if it were random and using 0.015 as the standard deviation of the sampling distribution of the sample proportion, what is the lower bound of a 95% confidence interval for the population proportion?

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