Mary's job position is being transferred to Lexington, Kentucky from Orlando, Florida. She and her husband George are currently renting their home in Orlando, but they have decided that they want to purchase a home in Lexington. Mary's annual salary is $48,500. George has also been able to find employment in Lexington at a factory making $39,000 per year. Mary is a planner and has saved $6200 that she can use towards the down payment on the new house.

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?