19. A firm purchases and resells widgets. Holding one widget in inventory for one year costs the firm $3. The firm purchases widgets in lots of 36. Demand for widgets is 7 per week. Each time the firm orders widgets from the supplier, there is a $29 charge for transportation. Round your answer to two decimal places. What is the total transportation cost incurred by the firm over one year (52 weeks)

How do the percentages of the 65 customer satisfaction ratings in that actually fall into the intervals [formula62.mml ± s], [formula62.mml ± 2s], and [formula62.mml ± 3s] compare to those given by the empirical rule? do these comparisons indicate that the statistical inferences you made in parts b and c are reasonably valid? (round your answers to the nearest whole number. omit the "%" sign in your