(Help) Shirley mixed white and red paint in the ratio of 1:3 to obtain a certain shade of pink. How many gallons of red paint must she mix with 8 gallons of white paint to obtain the same shade of pink?

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?