You are a business analyst tasked with determining if a delivery truck carrying 74 boxes of ball bearings can safely cross a bridge with a 11,500 lbs weight limit. You sampled and weighed 30 boxes in your warehouse, calculating the mean and standard deviation to determine the probability the total weight is under the limit using the normal distribution curve. You must decide whether to allow the truck to continue or call the driver to turn back, showing all calculations in a 5-page APA formatted report with an analysis of sampling methods and potential bias.