A water footprint is a measure of appropriation of freshwater the per capita waterfront in a mega gallons in a certain country for a recent year can be approximated by a normal distribution as shown in the figure U equals 1.6 7M gallons deviation is 2.8 3M gallons to the left side is -6.33 the to the right side is 9.67 the water footprint represents for the 84th percentile is the water footprint represents the 30th percentile is and what is the water footprint represented in the third quartile