1. Please refer the table below to answer below questions: [2 Marks] Planned to purchase Actually placed order for Actually placed order for Total Product A Product A - Yes Product A - No Yes 400 100 500 No 200 1300 1500 Total 600 1400 2000 1.A. Refer above table and find the joint probability of the people who planned to purchase and actually placed an order. [1 Mark] 1.B. Refer to the above table and find the joint probability of the people who planned to purchase and actually placed an order, given that people planned to purchase. [1 Mark]