Based on the data in this study, what is the estimate of proportion of items that will ring up at higher prices and thus be counted as a violation? (Hint: Is your estimate a single number or a range of numbers?)
The items for sale in many retail stores sometimes ring up at a different price at the cash register compared to the price marked on the shelf. This goes unnoticed by many consumers. But whether the mistakes are intentional or not, the retailers get checked by government inspectors (for overcharges only) and can potentially be […]