Evans uncle gave his money for his birthday. he puts half of the money in his savings account, spend 1/5 of the money on bubble gum to share with his friends, and buy comics with the rest. what portion of money will he spend on comic books?
evans uses some of his comic book money to buy a magazine for $4. evans uncle gave him $30, what fraction of the money did he spend on he magazine

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?