) Beth wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball omes. How large of a sample must she have to get...

Extracted text: ) Beth wants to determine a 90 percent confidence interval for the true proportion of high school students in the area who attend their home basketball omes. How large of a sample must she have to get a margin of error less than 0.03? Assume we have no prior estimate of the proportion and want a conservative choice for the sample size. [Round to the smallest integer that works.] n =