→ ha18:我感覺只是考二項分配而已...可是不是很確定... 01/29 18:59
Many products can operate if out of n parts , k of them are
working . Say n=20 and k =17 .Say p=0.05 is the probability that
a part fails .Assuming independence ,what is the probability that
the product operates ?
請問...這是考什麼?! 感覺像是考串並聯
可是又解不出來... ...
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.61.238.147