The distribution of overall general satisfaction with life with respect to region for Americans 18 years old or older is shown in the table below. Calculate the probability of randomly selecting a subject that is dissatisfied given lives in the East. Express your answer rounded off to 2 decimal places. East Midwest South West Satisfied 5 12 10 20 Dissatisfied 9 7 3 3 4 a. 0.39 b. 0.40 c. 0.13 d. 0.64