[計量] The odds that a certain event will ...

看板GRE作者 (0rz)時間15年前 (2008/10/25 00:15), 編輯推噓3(301)
留言4則, 3人參與, 最新討論串1/1
我完全看不懂題目再說啥 ... 好多子句... The odds that a certain event will occur is the ratio of the probability that the event will occur to the probability that it will not occur. If the odds that Pat will win a prize 4 to 3, what is the probability that Pat will not win the price? (a) 1/4 (b) 1/3 (c) 3/7 (d) 4/7 (e) 3/4 Ans: C 感謝 Orz -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.134.14.90 ※ 編輯: hsnu920 來自: 220.134.14.90 (10/25 00:16)

10/25 00:17, , 1F
odds=會發生的機率/不會發生的機率
10/25 00:17, 1F

10/25 00:19, , 2F
所以題目是說 發生比不發生=4:3 ?!!
10/25 00:19, 2F

10/25 00:22, , 3F
YES 然後問不會發生的機率
10/25 00:22, 3F

10/25 00:22, , 4F
喔!原來出現odds是這樣解的(筆記)
10/25 00:22, 4F
文章代碼(AID): #190VIkaU (GRE)