34, 50, 41, 41, 38, 32, 38, 49, 48, 39, 35, 35, 46 Send data to calculator Send data to Excel If we assume that the completion times are normally distributed, find a 99% confidence interval for the true mean completion time for this task. Then find the lower limit and upper limit of the 99% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: X ? Upper limit: Continue Submit Assignment