Question: There are 19 students in a probability class at a liberal arts 3 . There are 19 students in a probability class at a liberal

There are 19 students in a probability class

at a liberal arts

3 . There are 19 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 calf F ( x ) = 1 - 13/ x )^ for x_ 3 ( = O otherwise )* a ) What is the pdf of the shortest amount of time it takes to grade any of the papers? b) What is the pdf of the median amount of time it takes to grade ally single exam amongst the 19 papers ?&quot

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