The following circuit operates if and only if there is a path of functional devices from left to right. The probability that each device functions is as shown. Assume that the prob- ability that a device is functional does not depend on whether or not other devices are functional. What is the probability that the circuit operates? Let A denote the upper devices function. Let B denote the lower devices function. (Show complete solution in your answer sheet) 0.70 0.80 0.95 0.95 0.95 0.90

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The following circuit operates if and only if there is a path of functional devices from left to
right. The probability that each device functions is as shown. Assume that the prob- ability that a
device is functional does not depend on whether or not other devices are functional. What is the
probability that the circuit operates? Let A denote the upper devices function. Let B denote the
lower devices function. (Show complete solution in your answer sheet)
0.70
0.80
0.95
0.95
0.95
0.90
a. 0.9121
b.0.4321
O c. 0.9293
O d. None among the choices
Transcribed Image Text:The following circuit operates if and only if there is a path of functional devices from left to right. The probability that each device functions is as shown. Assume that the prob- ability that a device is functional does not depend on whether or not other devices are functional. What is the probability that the circuit operates? Let A denote the upper devices function. Let B denote the lower devices function. (Show complete solution in your answer sheet) 0.70 0.80 0.95 0.95 0.95 0.90 a. 0.9121 b.0.4321 O c. 0.9293 O d. None among the choices
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