Sujat has 3 jump-ropes. the red jump-rope is 75 inches long. the blue jump-rope is 5 feet long. and the yellow jump-rope is 2 yards long. decide which rope is longest, which is shortest, and which is in the middle.

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?