An environmental journal discussing current water usage within the US reports, with 95% confidence, the average number of household gallons used per person per day is between 82 and 88. The study was based on a random sample of 30 individuals throughout the nation. Determine the average useage of the 30 individuals sampled.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright