→ a016258: 09/27 21:49
suppose that ther are 14 songs on a compact disk(CD) and you like 8
of them. When using the random button selector on a CD player , each
of the 14 songs is played once in a random order .Find the probability
that among the first 2 songs that are played,
(a)You like both of them
(b)You like neither of them
(c)You like exactly one of them
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.114.216.106