Construct a 90% confidence interval to estimate the proportion of the population in Oklahoma City

Posted on 2013-10-16 15:41:00 in Statistics by AINSLEY_SWEET

A clothing company produces mens jeans. The jeans are made and sold with either a regular cut or a boot cut. In an effort to estimate the proportion of their mens jeans market in Oklahoma City that that prefers boot-cut jeans, the analyst takes a random sample of 212 jeans sales from the companys two Oklahoma City retail outlets. Only 34 of the sales were for boot-cut jeans. Construct a 90% confidence interval to estimate the proportion of the population in Oklahoma City who prefer boot-cut jeans. 

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