A cable TV provider assigns 75% of its service calls to an independent contractor and 10 % of these calls result in consumer complaints. The other 25 % of the service calls are made by the companies' own employees, and these result in a 5% complaint rate.
Find the
(a) Probability of receiving a complaint.
(b) Probability that the complaint was from a customer serviced by the contractor.

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The Answer of  A cable TV provider assigns 75% of its service calls to an independent contractor and 10 % of these calls result in consumer complaints. The other 25 % of the service calls are made by the companies' own employees, and these result in a 5% complaint rate.
Find the
(a) Probability of receiving a complaint.
(b) Probability that the complaint was from a customer serviced by the contractor.

A Cable TV Provider Assigns 75% of Its Service Calls