Question Suppose that the hourly wages of fast food workers are normally distributed with an unknown mean and standard deviation. The wages of 40 randomly sampled fast food workers are used to estimate the mean wage of the population. What t-score should be used to find the 80% confidence interval for the population mean? df to.10 to.05 to.025 to.01 to.005 . . . . . . 38 1.304 1.686 2.024 2.429 2.712 39 1.304 1.685 2.023 2.426 2.708 40 1.303 1.684 2.021 2.423 2.704 41 1.303 1.683 2.020 2.421 2.701 42 1.302 1.682 2.018 2.418 2.698 Use the portion of the table above or a calculator. If you use a calculator, round your answer to three decimal places. Provide your answer below