作者yes1 (真心真意過一生)
看板trans_math
標題 [統計] 隨機變數函數分配的題目
時間Wed Dec 22 01:09:11 2004
Numbers are selected at random from the interval (0,1)
(a) If 10 numbers are selected , what is the probability that exactly 5
are less than 1/2?
(b) If 10 numbers are selected , on the average how many are less than 1/2?
(c) If 100 numbers are selected , what is the probability that the average of
the numbers is less than 1/2?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 210.66.111.190