4.45 The time T in hours between bus arrivals at a bus station in downtown Lowell is a random variable with the following PDF: fr(t)=2e¯²t_t≥0 a. What is the expected value of T? b. What is the variance of T? c. What is P[T>1]?

MATLAB: An Introduction with Applications
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4.45 The time Tin hours between bus arrivals at a bus station in downtown
Lowell is a random variable with the following PDF:
fr(t)=2e-2t t>0
a. What is the expected value of T?
b. What is the variance of T?
c. What is P[T>1]?
Transcribed Image Text:4.45 The time Tin hours between bus arrivals at a bus station in downtown Lowell is a random variable with the following PDF: fr(t)=2e-2t t>0 a. What is the expected value of T? b. What is the variance of T? c. What is P[T>1]?
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