D d1truth New member Joined Feb 3, 2005 Messages 10 Sep 23, 2005 #1 1. mortality follows demoivres law and E [T16] = 36 calculate Var (T16) 2. You are given the survival function Sx(X) = 1/9000 [9000-10x-x^2] calculate the central rate of failure at age 45.
1. mortality follows demoivres law and E [T16] = 36 calculate Var (T16) 2. You are given the survival function Sx(X) = 1/9000 [9000-10x-x^2] calculate the central rate of failure at age 45.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Sep 23, 2005 #2 Time for you to show some work. Do you know DeMoivre's Law? Do you know what a Central Failure Rate is? What have you tried? How far have you gotten? Do you have a book? A teacher?
Time for you to show some work. Do you know DeMoivre's Law? Do you know what a Central Failure Rate is? What have you tried? How far have you gotten? Do you have a book? A teacher?
H happy Full Member Joined Oct 30, 2004 Messages 466 Sep 23, 2005 #3 Tk, I was about to say the same thing. Personally, I feel people who haven't made any attempt to solve the problem, should not be helped.
Tk, I was about to say the same thing. Personally, I feel people who haven't made any attempt to solve the problem, should not be helped.
