年級

問題的種類

數學 高中

想問排列組合這裡的類題十怎麼算,謝謝!!

類6.將3個蘋果、4 個桃子、2 個李子全部分給9個兒童 若分給 11 個兒童,每人至多得一個,則共有幾種不同的分法? 840x60 類7. 老師將 12 枝相同的鉛筆分給甲、乙、丙、丁、戊與己六位小朋友,其中有兩位各分得 兩位各分得2枝,而有兩位沒分到,則 105. (1)共有幾種分法。(2)在這種方法下,戊與己兩位都獲得4枝的方法有幾種。 73x5x8x T/EX4/Nx25x 類8.將“TENNESSEE”一字之字母全取排列,依下列情形各有多少種排列? (1)任意排列有幾種?(2)兩個N不相鄰又有幾種? () 3780# 4121 = =3x2x2x2=9x7x6x5x2=3780 = X ST 類9. 將「臺灣真好臺灣真棒」八個字全取作直線排列,共有幾種排列法?其中同字必須 法有幾種?同字不得相鄰的排列法共有幾種? 類10. 2 個中國人、2個美國人、2個日本人排成一列,同國籍不相鄰,排法有幾種? 0 0 0 0 0 0 類11.「人人為我,我為人人」排成一列,使同字不相鄰之排法共有幾種? 42!2!=&x7x6x5=420 類12. 將「 pallmall」一字中的字母全取重排,求下列各排列數: (1)任意排列 (2)所有【均相鄰 (3)所有1均相間 (4)所有【均不相鄰 (5)m至少與一個a相鄰 (6)同字母不相鄰 n! 類13. 將 a、a、a、a、b、b、c、d、e九個字母排成一列,則: (1)任意排列數為何? (2)四個a全分開的排列數為何? (3)恰有二個a相鄰的排列 (4)至少有二個a相鄰的排列數為何? (5)四個a全分開,且兩個6全分開排列數 類14. 英文字 factoring中各字母,每次全取排列,

待回答 回答數: 0
數學與統計 大學

請問大一統計學這兩題有人看得懂嗎🥲

2. To study the attitude of mother and father towards their daughter participating in the outdoor games, a sample of 200 fathers and 250 mothers was investigated. In these two samples, 120 fathers and 50 mothers preferred their daughter to go for outdoor activities. Can it be concluded at a=0.01 level of significance that the proportion of father is significantly higher than that of mother in preferring their daughters for outdoor activities? 3. A firm has a generous but rather complicated policy concerning end-of-year bonuses for its lower-level managerial personnel. The policy's key factor is a subjective judgment of "contribution to corporate goals." A personnel officer took samples of 24 female and 36 male managers to see whether there was any difference in bonuses, expressed as a percentage of yearly salary. The data are listed here: Gender Bonus Percentage Female 9.2, 7.7, 11.9, 6.2, 9.0, 8.4, 6.9, 7.6, 7.4, 8.0, 9.9, 6.7, 8.4, 9.3, 9.1, 8.7, 9.2, 9.1, 8.4, 9.6, 7.7, 9.0, 9.0, 8.4 10.4, 8.9, 11.7, 12.0, 8.7, 9.4, 9.8, 9.0, 9.2, 9.7, 9.1, 8.8, 7.9, 9.9, 10.0, 10.1, 9.0, 11.4, 8.7, 9.6, 9.2, 9.7, 8.9, 9.2, 9.4, 9.7, 8.9, 9.3, 10.4, 11.9, 9.0, 12.0, 9.6, 9.2, 9.9, 9.0 (1) Is there significant evidence that the mean bonus percentage for males is larger than the mean bonus percentage for females? Use a a=0.05. (2) Estimate the difference in the mean bonus percentages for males and females using a 95% confidence interval. Male

待回答 回答數: 0
英文 高中

請問第三題如何判斷?謝謝!

II. 綜合測驗 nopp (H The Matsu Islands are a collection of small islands belonging to Taiwan. The largest of these islands is Nangan, 1. the Lienchiang County government office is located. On this 2. who wish to honor Mazu, the sea goddess, will find one of Taiwan's tallest island, statues of her. the ocean The Statue of the Goddess Mazu sits on top of Menqian Mountain and faces out toward 4. twenty-eight 3. over the seas. The statue was built in 2009 and measures 6. the signs in Matsu meters in height. The easiest way to reach it 5. on foot. After Village, you will eventually reach Matsu Port. From here, a hundred steps lead up to the statue, which 7. appears as you near the top. After you reach the top of the steps, you will first come to a giant structure that looks like a boat. Do not stop 8. you have walked through this structure and arrived at the viewing platform on the other side. At this point, the statue will Midsmind busm be right_9._ you, and its massive* size will really become apparent. rola obero Clear, cloudless* days offer the best opportunities for visitors 10. their respect to vdelar. the Statue of the Goddess Mazu. On such days, the view of the statue with the ocean in the background can leave one feeling wonderfully at peace. noig 註*:massive 巨大的;cloudless 晴朗的;無雲的p2 orit intofl (C) 1. (A) that (B) which (B) those (B) watching (B) toward (B) being (B) following bajas onstorn (B) fortunately Sayinab ( (B) after B ) 2. (A) them B3 (A) to watch (A) from A. A B A) (C) 5. (A) ar (B) 6. (A) follow (A) 7. (A) finally DE 18. ) 8. (A) since i holis to abnorm (C) 9. (A) in the middle of (B) in back of (B) 10. ) 10. (A) paying (B) to pay ilsounou, (C) where (C) they) (C) watches (C) between hond (C) is (C) follows (C) necessarily (C) before (C) in front of (C) paid 03 (31) (D) there (D) their (D) watched y te over-more (D) than (D) to be (D) followed (D) typically beenmormint (D) until (D) on top of bon morir ofn (D) in paying Whatqueun

待回答 回答數: 0