Problem 4: Consider the following information on a product assembled from five components: Component Quantity Cost per unit L M H $19 $24 $31 $20 $26 $29 N - W - U $12 $17 $31 $37 $47 $67 $41 $46 $51 Assuming the above costs are normally distributed. A. Estimate the cost of a product. B. What is the probability that the cost of component D is less than $16.5? C. What is the probability that the cost of the product is more than $160