推 jasonkeen:交大考題喔…照定義寫就好了，不知道倖存函數也沒關係。 04/05 02:14
The lifetimes(in hours) of batteries manufactured by a certain company are
identically distributed with probability distribution and probability density
functions F and f,respectively.
Find the expected value of the life time of an s-hour-old battery in
terms of F and f.
Compare your answer with the expected life time of a new battery
if the distribution is Gamma.
--
想請教這題機率該如何做
是倖存函數的應用嗎
因為也不太了解倖存函數該如何用
麻煩版上的高手幫我解答^^
在此先謝謝大家了!!
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 163.30.55.22