6.阿信和志仔玩猜拳遊戲，若兩人出剪刀、石頭、布的機率都相同，且僅猜一次即決定勝負，則由阿信贏的機率是               。

編輯私有筆記及自訂標籤國三數學下第二次-108 年 - 2019高雄市市立林園高中附設國中九年級108 下學期數學第二次段考(期末考)康軒#92174
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點擊查看答案 參考答案 答案：C 難度：適中0.417 書單：沒有書單，新增 關閉 內容推薦 三年仁班某次數學小考的成績由小到大排列如下：【題組】(1)全距為　　　　　　分。編輯私有筆記及自訂標籤國三數學下第二次-108 年 - 2019高雄市市立林園高中附設國中九年級108 下學期數學第 如附圖，將標有數字1～12的號碼球分別放入甲、乙、丙三個筒內，假設每個筒中每個球被取出的機會均相等，若從甲、乙、丙三個筒中各取出一球，則三球數字的和是偶數的機率是多少？ 　(A) 　(B) 　 投擲兩顆均勻的骰子，擲得兩顆骰子的點數乘積為「5 的倍數」之機率是多少？(A) 　(B) 　(C) 　(D) 如附圖，一圓周被六等分。今投擲一公正骰子三次，如果出現的點數是6點，則可以連成正三角形。已知第一次出現1點，則三次的點數恰可連成「直角三角形」的機率為何？ (A) 　(B) 　(C) 　 某袋中有紅球3個、黑球4個，均勻混合後，每顆球被取出的機會都相等。甲：「若取球後放回，則兩次都取到紅球的機率是X」，乙：「取球後不放回，連續兩次都取到紅球的機率是Y」，試問X與Y的大小關係為何？ 在二次函數 y＝－x2＋9與y＝0所圍的圖形內 ( 不含此拋物線及x軸 ) 任取一點 ( a , b )，且每一點被取到的機會相同。若a、b均為整數，則a＋b＝3的機率為何？(A) 　(B) 某一組資料有八個正整數，已知其中七個數為1，6，3，5，2，2，6。下列哪一個數不可能是這一組資料的中位數？(A) (B) (C) (D) 5 已知三年四班全班35人身高的算術平均數與中位數都是158公分，但後來發現其中有一位同學的身高登記錯誤，將160公分寫成166公分。經重新計算後，正確的算術平均數為a公分，中位數為b公分，下列敘述 三年甲班有男生a人，女生b人，男生體重的算術平均數為58公斤，女生體重的算術平均數為46公斤。若全班體重的算術平均數為50公斤，則a與b之關係為何？(A) 2a＝b　(B) a＝3b　(C) a＝ 設五個相異正整數的平均數是 ，中位數是 ，則此五個正整數中的最大者可能之最大值是多少？(A) (B) (C) (D) 40 內容推薦 樂咖籃球隊隊員共16人，每人投籃6次，且附表為其投進球數的次數分配表。若此隊投進球數的中位數是5球，則眾數是          球。編輯私有筆記及自訂標籤國三數學下第二次-108 年 - 20 樸陶、鳳黎、湘礁三人結伴旅遊，夜晚投宿於民宿時，發現正好只剩雙人床及單人床各一張，於是三人以抽籤決定床位，每支籤被抽中的機會都相等，則鳳黎、湘礁兩人合睡雙人床的機率是            。編輯 附表是甲、乙、丙、丁四組數據。判斷哪一組數據的算術平均數最小？答：          。編輯私有筆記及自訂標籤國三數學下第二次-108 年 - 2019高雄市市立林園高中附設國中九年級108 下 The car is not as big as I saw on TV. It's_______ .(A) much smaller (B) the smallest (C) mor _______because no matter how good you are at telling lies, the truth will always come out.(A) Hit English is my favorite subject. For me, it is _______ than any other subject. I learn it well.(A) A: What was wrong with Mary? She looked sad yesterday.  B: I don't think so. She sounded____ Choose the RIGHT sentence.(A) She planted the seeds in a pot and watered them every day, and noth She walked in _______ , as if nothing had happened.(A) sour grapes (B) no big deal (C) as cool as The blue shoes look nice_______ Peter.(A) in (B) at (C) like (D) on Did you ever see a bear? Yes, I saw_______ before. (A) it (B) 1st (C) first (D) one Both Tina and Susan get the same grades. Tina is as_______as Susan.(A) good (B) better (C) worse 【題組】The clerk suggests John________ .(A) to check out after twelve o'clock (B) to drag his l 【題組】Which of the following is true?(A) John has to pay if he takes the shuttle.(B) John would go 【題組】Which building is the BOE?(A) Building A. (B) Building B. (C) Building C. 【題組】Mr. Gull is an officer in EPA. Which building does he work in now?(A) Building F. (B) Buildin 【題組】Why do students in Harvard rub the left shoe of the statue?(A) For better grades on the schoo 【題組】When did John Harvard die?(A) He died after Harvard University was founded.(B) He died after 【題組】What did the sculptor do to the statue?(A) He gave the statue skinny legs.(B) He asked his t 【題組】What does "one" mean for the first paragraph?(A) A statue on the campus of Harvard 【題組】Which sentence is the most difficult one for Class 314 to understand?(A) I was a shadow as w 【題組】How many students agreed that reading English storybooks helped them learn English?(A) (B 【題組】Which of the following is true?(A) Most students agreed that they learn a lot from peer eval 【題組】Egypt is a very hot and humid place.(A) True (B) False 【題組】In ancient Egypt, children were the only ones who did not use cosmetics.(A) True (B) False