Melissa’s family is driving out of state to her grandmother’s house. they know that it takes 20 gallons of gas to get there, and the cost of three gallons of gasoline is $10.50. how much should the family budget to make the one-way trip? melissa’s family is driving out of state to her grandmother’s house. they know that it takes 20 gallons of gas to get there, and the cost of three gallons of gasoline is $10.50. how much should the family budget to make the one-way trip?

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?