Mathematics, 18.01.2020 06:31 martina28
An electrical system has five circuit breakers designed to protect the circuit in the case of an overload. the probability that any circuit breaker will open on demand is 0.95 and the circuit breakers are assumed to operate independently of each other. if a fault condition occurs that requires all circuit breakers to open, what is the probability that at least one of the circuit breakers will fail to open?
1. 0.64
2. 0.999
3. 0.23
4. 0.05
5. 0.95
Answers: 1
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