A storage box in the shape of a rectangular prism has a length of 36 inches, width of 1.5 feet, and height of 2 feet. If the box with contents has a density of 0.3 pounds
per cubic foot, what is the weight, in pounds, of the contents of the storage box?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%