Q: Mr. John is experiencing high repair cost for his snack blending machine. He

Question

Q: Mr. John is experiencing high repair cost for his snack blending machine. He suspect that the machine is being blenderized by customers, who are irrate because of low blending machine reliability. For the machine to work properly all of the following must occur:




Subsystem                                                                                               Reliability




Blending machine puffed into power supply                                                         0.97




Coins & fills accurately                                                                                        0.92




Customer pushes button machines selection                                                         0.98




Blending machine is properly filled                                                                       0.98




Machine actually reduce the product                                                                      0.85




What is the reliability of vending operation?

Explanation / Answer

Reliability of system =0.98*0.85*0.98*0.97*0.92 =0.7285

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