Tyler did his math reading and science homework from 3:21 pm to 5:03 pm his math himework took 16 minutes longer than to complete than his science homework if his science homework took 31 minutes to complete how long did his reading homework take to complete?

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?