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.

Question

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.