The Investigation Of Consumer Product Complaints Generates Much Interest By Manufacturers In The Quality Of Their Produc 1 (513.62 KiB) Viewed 63 times
The investigation of consumer product complaints generates 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 the following table: Complaint Origin During Guarantee Period After Guarantee Period Total Reason for Complaint Electrical Mechanical Appearance Total 18 13 32 63 12 22 3 37 30 35 35 100 (a) If a consumer complaint is received, what is the probability that the cause of the com- plaint was mechanical or the complaint originated during the guarantee period? (b) If a consumer complaint is received, what is the probability that the complaint origi- nated during the guarantee period given that the cause of the complaint was product appearance? (c) If a consumer complaint is received after the guarantee period, what is the probability that the cause of the complaint was product electrical?
(a) If a consumer complaint is received, what is the probability that the cause of the com- plaint was product appearance given that the complaint originated during the guarantee period? I - (e) Define the following events: A= Cause of complaint is product appearance, B= Complaint occurred during the guarantee term. Are A and B independent events? Justify your answer using relevant probabilities,
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