Basic Exercises Basic Exercises 3.523.58 refer to Table 3.10. 3.52 What is the joint probability of \"high income" and \"never\"? 3.53 What is the joint probability of \"low income" and \"regular"? 3.54 What is the joint probability of \"middle income\" and \"never\"? Table 3.10 Probabilities for Television Viewing and Income VIEWING FREQUENCY HIGH INCOME MIDDLE INCOME Low INCOME TOTALS Regular 0.10 0.15 0.05 0.30 Occasional 0.10 0.20 0.10 0.40 Never 0.05 0.05 0.20 0.30 Totals 0.25 0.40 0.35 1.00