The cells in the Customer-Category table 4 include probability measures, what are they? Table 4: Customer-Category Product Category Customer Segment Furniture Office Supplies Technology Consumer 21.44% 60.24% 18.32% Corporate 21.39% 60.26% 18.34% Home Office 20.30% 60.52% 19.18% a. They are the conditional probabilities given customer segment data. b. They are the joint probabilities. c. They are the conditional probabilities given product category data. d. They are mixed of all