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This is a contingency table of probabilities for television viewing and income. What is the joint probability of "High Income" and ?"Never"?

VIEWINGFREQUENCY  HIGH INCOME MIDDLE INCOME  LOW INCOME  TOTALS

Regular  0.05  0.10  0.05  0.20

Occasional 0.15  0.25  0.10  0.50

Never  0.05  0.20  0.05  0.30

Totals 0.25  0.55  0.20  1.00

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