Challenge A warehouse store sells 5.5-ounce cans of tuna in packages of 8. A package of 8 cans costs $16.72. The store also sells 6.5-ounce cans of the same tuna in packages of 3. A package of
3 cans costs $7.02. The store sells 4.5-ounce cans in packages of 5 cans for $7.65. Which
package is the best buy?
A package of the
V-ounce cans is the best buy.

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?