In a gourmet coffee shop, two types of beans are combined and sold as the house blend. one bean sells for $8.00 per kg and the other for $14.00 per kg. they mix up batches of 50 kg at a time and sell the house blend for $10.00 a kg. how many kgs of each coffee go into the blend?

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?