The investigation of consumer product complaints by the Federal Trade Commission (FTC) has generated much interest by manufacturers in the quality of their products. A manufacturer of an electromechanical kitchen utensil conducted an analysis of a large number of consumer complaints and found that they fell into the six categories shown in Table 3.6. If a consumer complaint is received, what is the probability that the cause of the complaint was product appearance given that the complaint originated during the guarantee period?

Data from Table 3.6

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Table 3.6 Distribution of Product Complaints Complaint Origin During Guarantee Period After Guarantee Period Totals Electrical 18% 12% 30% Reason for Complaint Mechanical 13% 22% 35% Appearance 32% 3% 35% Totals 63% 37% 100%