When brad was born ,his grandma put 1,500 in a new account for him . Since then the balance of the account has grown by 6.5% each year with no deposits or withdrawals. Now Brad is 18 and can withdraw the money if he decides to wait until his 21st birthday how much more money will be in the account

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?