The weights of 5 squash (in pounds) are 10,17,17.5,18.5, and 19.5. The sample weights have a mean of = 16.5. The accepted population standard deviation for this type of squash is = 1.25. 1) What is the sample mean's margin of error at the 90% confidence level? Type as #.### Check Show answer 2) What is the sample mean's margin of error at the 99% confidence level? Type as: #.### li Check Show answer 3) What is the 90% confidence interval for the population mean weight for this type of squash? Type as: (##.###, ##.###) Check Show answer