The failure time (T) of an electronic circuit board follows an exponential distribution -3 with constant rate 10 per hour. What is the probability that will it fail before 1000hr? O a. 63.2 O b.0.263 OC.0.063 O d. 0.632 O e. None of these

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The failure time (T) of an electronic circuit board follows an exponential distribution
with constant rate 10 per hour. What is the probability that will it fail before 1000hr?
-3
O a. 63.2
O b.0.263
O c.0.063
O d. 0.632
O e. None of these
Transcribed Image Text:The failure time (T) of an electronic circuit board follows an exponential distribution with constant rate 10 per hour. What is the probability that will it fail before 1000hr? -3 O a. 63.2 O b.0.263 O c.0.063 O d. 0.632 O e. None of these
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