[問題] Joint Probability

看板Statistics作者 ( GO!!!)時間15年前 (2009/03/27 03:24), 編輯推噓0(002)
留言2則, 1人參與, 最新討論串1/1
請問大家一個聯合機率問題: Suppose that (X, Y ) is uniformly distributed on a circle with center at the origin and radius 1. What is P(2X + Y > 1)? -- Best Regards, -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 71.58.55.50

03/27 07:52, , 1F
1/3.
03/27 07:52, 1F

03/27 07:55, , 2F
延著弧做線積分, 從(0,1)積到(4/5,-3/5), 再除以2\pi.
03/27 07:55, 2F
文章代碼(AID): #19ozPt0C (Statistics)