Questions

• More About Probability Recognize the notation of set language including union, intersection, and complement Understand the addition law of probability and concepts of mutually exclusive events and complementary events

  9$\star\diamond$是一個三位數，其中$\star$和$\diamond$是從0到9的整數。找出這個三位數能被5整除的概率。

  2012

• Simple Idea of Probability

  從一組成員中隨機選擇一名成員。找出所選成員的年齡不低於74歲的概率。

  

  2012

• Permutations and Combinations Understand the concept and notation of combination Solve problems on the combination of distinct objects without repetition

  一個戲劇俱樂部由12個男孩和8個女孩組成。如果從俱樂部中選出5名學生組成一個參加比賽的隊伍，並且隊伍中至少要有一名女孩，可以組成多少個不同的隊伍？

  2012

• More About Probability Recognize the notation of set language including union, intersection, and complement Understand the addition law of probability and concepts of mutually exclusive events and complementary events

  一個盒子裡有六個編號分別為$7,8,8,9,9$和$9$的球。約翰重複隨機地從盒子裡抽出一個球，直到抽到的數字為$9$為止，不放回。求他恰好需要抽三次的概率。

  2012

• More About Probability Recognize the notation of set language including union, intersection, and complement Understand the addition law of probability and concepts of mutually exclusive events and complementary events

  從分別編號為$1,2,3,4,5,6$和$7$的七張卡片中同時隨機抽取兩個數字。求抽到的數字乘積為奇數的概率。

  2013

• Permutations and Combinations Understand the concept and notation of permutation Solve problems on the permutation of distinct objects without repetition

  如果一個八位數的電話號碼的前三位和最後五位分別由$5,6,9$的排列和$2,3,4,7,8$的排列組成，那麼可以形成多少個不同的八位數電話號碼？

  2013

• Permutations and Combinations Understand the concept and notation of combination Solve problems on the combination of distinct objects without repetition

  某班有13名男生及17名女生。若從該班中選出2名男生及3名女生為一隊參與義工服務，則可組成多少不同的隊伍？

  2014

• More About Probability Recognize the concept and notation of conditional probability Recognize the notation of set language including union, intersection, and complement

  在某遊戲中投擲兩枚均勻的骰子。如果擲出的兩個數字之和為7，則賺得36美元；否則，賺得6美元。求在這個遊戲中賺得的金額的期望值。

  2015

• More About Probability Recognize the notation of set language including union, intersection, and complement Understand the addition law of probability and concepts of mutually exclusive events and complementary events

  下面的棒形圖顯示某班學生擁有錀匙的數目的分佈。求從該班中隨機選出一名學生擁有 3 條錀匙的概率。

  

  2015

• Permutations and Combinations Understand the concept and notation of permutation Solve problems on the permutation of distinct objects without repetition

  6名男生與2名女生排成一隊。若沒有女生相鄰而排，則可排成多少不同的隊形？

  2015