Mathematics, 27.11.2019 20:31 alexsrules9711

There are 21 students in a probability class at a liberal arts college and the time (in minutes) needed to grade a randomly chosen exam paper is a random variable with cdf f(x) = 1-(3/x)2 for x> 3 (= 0 otherwise). a) (2.5 points) what is the pdf of the shortest amount of time it takes to grade any of the papers?

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