Arental agency charges a flat fee of $110.00 plus $46.00 per day to rent a certain car. another agency charges a fee of $70.00 plus $54.00 per day to rent same car. using graphing calculator find the number of days for which the costs are the dame. round answer to nearest whole day

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?