A large firm has 85 of its service calls made by a

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A large firm has 85% of its service calls made by a contractor, and 10 of these calls result in customer complaints. The other 15% of the service calls are made by their own employees, and these calls have a 5% complaint rate. Find the:

a) Probabiltiy of receiving a complaint

b) Probability that the complaint was from a customer serviced by the contractor

Reference no: EM13638477

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