Yesterday you borrowed $30 from your brother. everyday that u dont pay it back, u owe $2 more. so today, day 1, u owe him $32; on day 2 youll owe him $34; on day 3 youll owe him $36 etc. if u still havent paid him back, how much wil u owe him on day 22?

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?