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(15 points) A flashlight contains two batteries each having an MTTF of 5 operating hours (assume CFR). a. What is the probability of battery failure

(15 points) A flashlight contains two batteries each having an MTTF of 5 operating hours (assume CFR). a. What is the probability of battery failure occurring within the first 2 hour of operation? (hint: treat the two batteries as a system of serially related of two identical component) b. If failed, batteries are immediately replaced. What is the probability of more than one failure occurring during the first 5 hr of operation

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