Ann is waiting in line at the dmv her waiting time is, Ask an Expert

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Ann is waiting in line at the DMV. Her waiting time is described by the random variable x (in minutes) with the following distribution. fx(x)= c/(x+1)^2 for x>0 and 0 otherwise.

a. What is the value of c? (an integral)

b. What is the probability that she will wait less than 2 minutes?

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