[計量] 請問一題計量 (排列組合)
排列組合一直是我的大罩門 P C常常搞混~"~
A box contains 100 balls, numbered from 1 to 100. If there balls are selected
at random and with replacement from the box, what is the probability that
the sum of the three numbers on the balls selected from the box will be odd?
感謝解答
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.166.117.200
討論串 (同標題文章)
以下文章回應了本文 (最舊先):
完整討論串 (本文為第 1 之 5 篇):
GRE 近期熱門文章
PTT職涯區 即時熱門文章
764
1313