Homework Help: Probability and Statistics

Posted by Kim on Sunday, April 29, 2012 at 8:15pm.

The school superintendent would like to estimate the proportion of adults in the country that are in favor of an increased emphasis on the basics of education. A randomly selected sample of 150 adults found that 107 of them would favor an increased emphasis on basics of education. Find a 90% lower estimate of the proportion of county of adults that favor an increased emphasis.

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