In the year 2012, xavier's motorcycle had a value of $24.500 when he bought the motorcycle in 2004 he paid $34.500. if the value of the motorcycle depreciated eartywhat was the annual rate of change of the motorcycle's value? round your answer to the nearest hundredth if necessary

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?