In a random sample of 11 residents of the state of New York, the mean waste recycled per person per day was 1.2 pounds with a standard deviation of 0.55 pounds. Determine the 80% confidence interval for the mean waste recycled per person per day for the population of New York. Assume the population is approximately normal. Step 1 of 2: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.