Question: Let T be the time needed to complete a job at a certain factory. By using the historical data, we know that a. Find the

Let T be the time needed to complete a job at a certain factory. By using the historical data, we know thatP(T t) = + 16 1 for for 0t 4 t> 4

a. Find the probability that the job is completed in less than one hour, i.e., find P(T ≤ 1).

b. Find the probability that the job needs more than 2 hours.

c. Find the probability that 1 ≤ T ≤ 3.

P(T t) = + 16 1 for for 0t 4 t> 4

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