Let T be the lifetime of a certain person (how long that person lives), and let T have
Chapter 5, Problem 48(choose chapter or problem)
Let T be the lifetime of a certain person (how long that person lives), and let T have CDF F and PDF f. The hazard function of T is defined by h( (a) Explain why h is called the hazard function and in particular, why h(t) is the probability density for death at time t, given that the person survived up until then. (b) Show that an Exponential r.v. has constant hazard function and conversely, if the hazard function of T is a constant then T must be Expo() for some .
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