QUESTION 17 If a sample average is found to be 62.7, and themargin of error is calculated to be 4.6, then the upper end of theconfidence interval for mu would be ______
QUESTION 18 If a sample average is found to be 18, and themargin of error is calculated to be 0.06, then the lower end of theconfidence interval for mu would be ______
QUESTION 19 Use your TI83 to find the upper end of the intervalrequested: A 95% confidence interval for the average height of theadult American male if a sample of 25 such males have an averageheight of 56.9 inches with a sample deviation of 3.4 inches. Thepopulation of all such heights is normally distributed round to thenearest hundredth of an inch
QUESTION 20 Use your TI83 to find the upper end of the intervalrequested: A 99% confidence interval for the average weight of astandard box of Frosted Flakes if sample of 66 such boxes has anaverage weight of 16.8 ounces with a population deviation of 0.4ounces round to the nearest hundredth of an ounce