Question: An electronic safety component in a delicate device from a company typically lasts for 100 hour on the average. Suppose the distribution of the life

An electronic safety component in a delicate device from a company typically lasts for 100 hour on the average. Suppose the distribution of the life time follows an exponential distribution. To improve the life time, a new model is equipped with two additional backup components that can be automatically switched for uninterrupted use, once the current component fails. What is the distribution of the life time for the new model ?

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