Homework 1 Due Jan. 26. 


If X has hazard function h1(t)
   Y has hazard function h2(t), and X is independent of Y.

Show 

min( X, Y) has hazard function h1(t)+h2(t).

Generalize this to k random variables.


Ross: Chapter 5 

Problem #2, #6, #12, #15, and (if you are using 7th ed) #27 
                              (if you are using 8th ed) #31 .