Suppose you use simple random sampling to select and measure 46 backpacks' weights, and find they have a mean weight of 71 ounces. Assume the population standard deviation is 7.2 ounces. Based on this, construct a 90% confidence interval for the true population mean backpack weight. Give your answers as decimals, to two places ounces Question Help: Video O Post to forum

Answer rating: 100% (QA)

The Answer is in the image, click to view ... View the full answer