Question 2 A factory buys material from two suppliers. All the materials are made into products by the same workers using the same machines. An engineer thinks there is a difference in the defects in products made from raw materials from different suppliers and collects the following information. Source of Raw Materials Supplier 1 Supplier 2 defective products 60 50 satisfactory products 45 73 We want to test at the 5% level of significance that the discrepancies are not related to chance? a. Calculate the test statistic (round to 2 decimals) [A] b. Find the critical value [B] c. What is your conclusion? Answer: Since the test statistic is (greater/less) [c] than the critical value, we (do/ don't ) [d] have enough evidence to conclude those discrepancies are not related to chance