Bill wants to rent a car. rental company a charges $35 per day plus $0.10 per mile driven. rental company b charges $25 per day plus $0.15 per mile. how many miles driven will the price charged by each company be the same.

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?