[問題] 數理統計
Let X be a random variable with p.d.f
θe^(-θx) if x > 0
f(x) = θ>0
0 else
define Y = cos X ,and let arccos y be the principal value
then (1) for 0 < y < 1 find P(Y ≦ y)
(2) for y < 0 find P(Y ≦ y)
有點看不太懂...
能不能幫我解釋一下
順便給點提示更好
先謝了
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 220.139.112.86
推
11/24 22:47, , 1F
11/24 22:47, 1F
→
11/24 22:47, , 2F
11/24 22:47, 2F
討論串 (同標題文章)