3. In an experiment to calibrate The British Imperial Yard against The Meter, one hundred measuremen

3. In an experiment to calibrate The British Imperial Yard against The Meter, one hundred measurements gave an average of 91.4402 cm. The standard deviation was determined to be 800 microns. (A micron = 10?-6 ?meter, where one meter equals 100 cm). Answer the following questions as appropriate. The 85%-confidence interval for the exact length of the Imperial Yard in centimeters is from ___________ to ______________. (Be sure to use a graph of Area Under the Standard Normal Distribution Curve, SNDC if applicable)