What is the probability that a gps system is defective

Reference no: EM13202159

A manufacturer obtains GPS systems from three different subcontractors: 20% from A, 45% from B, and 35% from C. The defective rates for the subcontractors are 1%, 3% and 2%, respectively.

a) Draw a Tree

b) What is the probability that a GPS system is defective?

c) If it is known that the GPS system is defective, what is the probability that it came from subcontractor B?

Reference no: EM13202159

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