Multiple Choice
It is assumed that the time failures for an electronic component are exponentially distributed with a mean of 50 hours between consecutive failures. If one extra component is installed as a backup, what is the probability of at least one of the two components working for at least 60 hours?
A) About 0.51
B) About 0.09
C) About 0.06
D) About 0.70
Correct Answer:
Verified
Correct Answer:
Verified
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