A soft drink manufacturer wishes to know how many soft drinks adults drink each week. They want to construct a 99%99% confidence interval for the mean and are assuming that the population standard deviation for the number of soft drinks consumed each week is 0.90.9. The study found that for a sample of 13541354 adults the mean number of soft drinks consumed per week is 7.27.2. Construct the desired confidence interval. Round your answers to one decimal place.