In a random sample of 15 residents of the state of Florida, the mean waste recycled per person per day was 2.9 pounds with a sample standard deviation of 0.94 pounds. Determine the 90% confidence interval for the mean waste recycled per person per day for the population of Florida. Assume the population is approximately normal. Round the answer to two decimal places 2.47 to 3.33 3.6 to 5.1 3.5 to 4.9 2.20 to 3.60