In a random sample of 7 residents of the state of Texas, themean waste recycled per person per day was 2.7 pounds with astandard deviation of 0.72 pounds. Determine the 99% confidenceinterval for the mean waste recycled per person per day for thepopulation of Texas. Assume the population is approximately normal.Step 1 of 2 : Find the critical value that should be used inconstructing the confidence interval. Round your answer to threedecimal places.