Each square on olivia's chessboard is 11 square centimeters. a chessboard has 8 squares on each sid. to the nearest tenth, what is the width of olivia's chessboard?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

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?