作者t0444564 (艾利歐)
看板NTU-Exam
標題[試題] 99下 陳鵬文 機率導論 期中考
時間Fri Mar 18 19:31:16 2011
課程名稱︰機率導論
課程性質︰數學系必修
課程教師︰陳鵬文
開課學院：理學院
開課系所︰數學系
考試日期︰2010年03月10日
考試時限：30分鐘
是否需發放獎勵金：是
試題 :
The simplication of the factorials is not necessary.
1. (7 points) Detemine the number of vectors(x1 ,x2 ,...,x9) such that
(a) each xi is a nonnegative integer,
(b) exactly 3 of the xi are equal to 0,
(c) sigma (i=1 to 9) xi ≦20.
2. (6 points) Four players are dealt a hand of 26 playing cards from two 52
card decks. A hand is said to have a void in a suit if it contains no cards
in that suit. What is the probability of being dealt a hand which is void in
at least one suit?
3. (7 points) If 5 married couples are arranged in a row, find the
probability that no husband sits next to his wife?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.251.78
※ 編輯: t0444564 來自: 140.112.252.31 (11/19 05:34)