The following graph protrays the distribution of the number of biggie-sized soft drinks sold at a nearby wendy's for the last 141 days. the mean number of drinks sold perday is 91.9 and the standard deviatin is 4.67. if we use the empirical rule, sales will be between what two values of 68 percent of the days? Sales will be between what two values on 95 percent of the days?