Mathematics, 06.12.2019 02:31 leilaford2003

The lifetime of two light bulbs are modeled as independent and exponential random variables x and y, with parameters lambda and mu, respectively. the time at which one of those two light bulb first burns out is z = min (x, y), what is the pdf of z?

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The lifetime of two light bulbs are modeled as independent and exponential random variables x and y,...