A fast food restaurant executive wishes to know how many fast food meals adults eat each week. They want to construct a 98% confidence interval for the mean and are assuming that the population standard deviation for the number of fast food meals consumed each week is 1.1. The study found that for a sample of 1341 adults the mean number of fast food meals consumed per week is 3.1. Construct the desired confidence interval. Round your answers to one decimal place.