想請問2,3(a),4,5(b)的詳解 謝謝🙏

2. (12%) Find ∞ [-1,1] (a) Ui=1 -120 №b) n (1-1) (6) = 1 11. [1]) = [1-1,1] (c) i=1 $(dina (i,∞) i=1

第59、61🙇

49-60 Find the absolute maximum and absolute minimum values of f on the given interval. 49. f(x) = 12 + 4x - x², [0, 5] 50. f(x) = 5 + 54x2x³, [0, 4] (51.) f(x) = 2x³ 3x² - 12x + 1, [-2,3] 52. f(x) = x³ - 6x² + 5, [-3,5] 53. f(x) = 3x4 - 4x³ - 12x² + 1, [-2,3] 54. f(t) = (t²-4)³, [2, 3] 1 55. f(x) = x + = ₁ X 56. f(x) X 2 x² = x + 1’ - 57. f(t) = t - √√t, [-1,4] √t 1 + t22 59. f(t) = 2 cost + sin 2t, [0, π/2] on ball = [0.2, 4] 58. f(t) = = [0, 3] [0, 2]

有人會算這題嗎謝謝 用普通年金現值和插補法都算不出來

每次仔款金額為何? (A) $312,496 (B) $200,151 (D) $338,151 8. 雷歐力每兩個月月底存入 $6,000,共存3年。若存款利率為15%,試問3年後雷歐力擁 有多少錢? brooo X普通年金終值二 (2.5,h=18) 補差法 751836354 (A) $20,835 (B)$134,318 (C) $110,700 13.180795 = 119.497 (C) $174,497 (D) $120,825 係 (A 19. 在 行

拜託各位會計好手教教新手

21:20 < . Marbletop, Inc. had the following transactions during October: . ● LINE . (0) • 5 Purchased land and a building for $50,000 and $175,000, . 第一次作業題目.docx 3 Purchased $80,000 of equipment, paying 40% in cash and the balance on account. respectively, for $65,000 cash and signed a note for the balance. Paid monthly rent of $2,000. 8 9 Issued stock for $100,000. 10 Provided services on account for $56,000. 15 Purchased $15,000 of equipment on account. 16 Collected $24,000 from customers who had previously purchased inventory on account. 23 Made a payment of $2,000 plus $300 interest on the notes payable. 24 Paid $9,000 on accounts payable. 28 Purchased supplies of $1,200 29 Paid monthly salaries of $3,000 At the beginning of the month, Marbletop had the following account balances: Accounts Payable Accounts Receivable Buildings Capital Stock Cash Land Wages Expense Required: ||| $ 2,000 12,000 51,000 10,000 10,000 105,000 10,000 NA 46+ Notes Payable Rent Expense 0 Retained Earnings Service Revenue Supplies Equipment Interest Expense 1. Journalize the transactions. 2. Post the journal entries using T-accounts for each account. 3. Prepare a trial balance at October 31, 2022. il 04 $ 40,000 8,000 55,000 125,000 1,000 33,000 2,000

請問這題的標準差該怎麼算🥹 如果可以的話可不可以幫我加個計算過程plzzz🙏

組界 次數 40.5~43.5 18 中 43.5~46.5 24 46.5~49.5 45 49.5~52.5 65 52.5~54.5 54 30 54.5~58.5 57 10 58.5~61.5 60 8 me 42. 45 48 51 18 42 89 152 182 192 200

求解🥹

5.4 設臺大男生參加各種運動的比例如下: 92 。 羽球 桌球 網球 羽球及桌球 羽球網球 桌球及網球 三者皆有 30%20%20% 5% 10% 5% 2% 0.02 0.05 0.3 0.2 今隨意抽取一名男生,請計算以下機率: ①至少參加一種運動。 ②僅爲羽球員。 DL ③若將至少參加一種運動的稱爲運動員,則該名男生,已知其爲運動員, 而他僅參加羽球的機率爲何? @該名男生已知其爲桌球員,而他三項都參加的機率爲何?

求解6.（a) 雖然有算出答案，但不確定過程、答案有沒有錯 算式在第二張照片中

(a) 試求上題 (a) 的 cd.f. Fx(x) (5%) P(X-10+ 3 (b).求出上題(b) 的下列之事件機率: 1or 1 = = * = + 4x(+)) P(X=1 or 3) . (5%) (a) x1 4*4*(1+(+)) P(1<X<4)。(5%) (iii)P(X>5) (5%) = 11 x 15 11 16 x 16 255 256 # (b) te-o — 。 Fx (x) 1 10. 14 6 éx X 3 3 6 105 105 1 (b) f(x) = -e-x/304 0 ≤ x < (5/ ce³+ + -e ³0 = | c²1-e 30 30 x te 。 2 4 10 105 5. 針對下列各函數,求常數c 使得f (x)是一隨機變數 X 的 p.d.f. : (a) f(x) = cvx, 0 ≤ x ≤ 4°(5%) (a) c Jo + C+ C2+C15+C[41 (3C+FC+8c=1 C= C =- = | 設化是抽到瑕疵電腦的數 X是抽2臺電腦抽到瑕疵品的機率 C5 10 5 if x=03 28 5 6 1 15 21 28 105 105 105 8 36 3 Cx-(+) 15 16 Cxlim 15 19 3+√2+√3 9-(5+256) 66 18 105 105 105105105 9|10|11|12 55 (eº + e¯ 30 + ₁ + e 30+) = | C = - 二 =1 6. 續上題 (b) 1-6-30 1.030 (a) 試求累積分布函數(cumulative distribution function(x(x) x≤x)) (5%) \C: (b) P(15 ≤ X ≤ 30)。(5%) C = 848 O 7.已知8台電腦中有3台是瑕疵品。今隨機從此8台電腦中抽取2台,請問所抽取電 疵品個數之機率質量函數(p.m.f.) 為何?(7.5%) (29(x)=75x= it x = ²₂ ( 1 = 28 (Px (x) = 18, X = x=2, 15 285 LPx(x)=375X 4+. 16- 4个 143 X=

請問一下為什麼這題答案是C呢 因為我怎麼算答案都是5 (´･ω･`)

14.( )假設蘋果的需求者只有張三、李四和王五,其需求函數分別為 Q = 10 -P,Q =8 -P 和 Q =2-P。若蘋果市場的供給函數為Q =P,則市場均衡價量為何 A) 4 ; 4B) 3.3;3.3 C)6;6D) 5;5

想問3-9的a跟c

Problems 3-1. Explain the difference between *(a) random and systematic error. (b) constant and proportional error. *(c) absolute and relative error. (d) mean and median. *3-2. Suggest two sources of systematic error and two sources of random error in measuring the length of a 3-m table with a 1-m metal rule. 3-3. Name three types of systematic errors. *3-4. Describe at least three systematic errors that might occur while weighing a solid on an analytical balance. *3-5. Describe at least three ways in which a systematic error might occur while using a pipet to transfer a known volume of liquid. 3-6. Describe how systematic method errors may be detected. *3-7. What kind of systematic errors are detected by varying the sample size? 3-8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is (a) 500 mg. (b) 250 mg. V(c) 125 mg. (d) 60 mg. 3-9. The method described in Problem 3-8 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample mass should be taken if the relative érror resulting from a 0.4-mg loss is not to exceed *(a) -0.1%? (b) -0.4%? (c) -0.8%? (d) - 1.1%? 3-10. The color change of a chemical indicator requires an overtitration of 0.03 mL. Calculate the error if the total volume of titrant is percent relative (a) 50.00 mL. (c) 25.0 mL. 3-11. A loss of 0.4 mg of Zn occurs in the course of an percent relative analysis for that element. Calculate the error due to this loss if the mass of Zn in the sample is *(b) 10.0 mL. (d) 30.0 mL. 190 (c) 188 (d) 4.52 x 103 4.63 x 103 4.53 x 10 ³ √6 *(a) 30 mg. (b) 100 mg. *(c) 300 mg. (d) 500 mg. 3-12. Find the mean and median of each of the following sets of data. Determine the deviation from the mean for each data point within the sets, and find the mean devi- Vation for each set. Use a spreadsheet if it is convenient. *(a) 0.0110 0.0105 (b) 24.53 0.0104 24.68 24.81 24.77 39.61 862 (f) 850 MA 3-13. Challenge Problem: Richards and W the molar mass of lithium and colle data. 24.73 Experiment 1 2 3 4 5 6 194 447 X 10 7 448 X 107 4.58 X 10 (a) Find the mean molar t workers. (b) Find the median molar ma (c) Assuming that the cam molar mass of lithium is the absolute ertor and of the mean value demi Willard. (d) Find in the chemical ues for the molar mus since 1910, and ag a table or spreadshera 1817 given in the a Richards and Willd. Com mass versus year to la of lithium has chang Suggest possible abruptly about 18 ant de (e) The incredibly deals Richards and W that major changes will occur. Disc calculation in pat (f) What factors ha since 1910? (g) How would you mass? 6See Chapter 2 of Applications of Microsoft Excel in Analytical Chemistry, 4th ed., for information about statistical 7T. W. Richards and H. H. Willard, J. Am. Chem. Soc., 1910, 32, 4, DOI: 10.1021/ja01919a002. built-in statistical functions. "Answers are provided at the end of the book for questions and problems marked with an asterisk The I of ₂ or inc rce of able vas error c often in individu ate resul data in rtainties. dimensio andom e analysts The result

第二題的更正分錄為什麼是這樣 為什麼會有保留盈餘

【回家練習】台中公司採用定期盤存制,近三年來淨利如下:X7 年$400,000, X8 年$320,000,X9 年$300,000,淨利逐年下降,經查發現以下資料 (1) X7 年期末存貨包括了承銷品$36,000扣 (2) X7 年 12 月 31 日收到一批進貨商品$50,000,故包含於期末盤點中,由於發 入帳 票於X8年1月3日收到,故於1/3 記錄進貨 x7年扣 (3) X8 年 12 月31日客戶訂購商品一批$48,000,當天即開立發票,並認列銷貨 收入,但因商品在X9年1月2日運出,因此 X8 年 12 月31日盤點存貨時, FESORIU 將此商品列入期末存貨之中 扣 (4) X8 年 12 月 31 日起運點銷貨$32,000,成本$24,000,因商品於當日已運出,加 故未包含在期末存貨之中,而於X9 年1月3日開立發票時記錄銷貨收入。 (5) X9 年1 月5日收到一批商品$40,000,經查該商品係 X8 年 12 月 30 日向供 應商購買,約定起運點交貨,供應商於 X8 年 12 月30日將商品交付運送, 故台中公司已於當日記錄進貨,但因商品未到達故未包括在期末存貨之中。 試作: 1. 計算正確淨利 2. X9 年結帳前發現上述錯誤應有之更正分錄 解: 原損益表淨利 調整: (1) (2) (3) (4) (5) 正確淨利 2. 更正分錄 銷貨成本 銷貨收入 保留盈餘 X7 年 $400,000 400 24 481000 存 481000 (36,000) (50,000) 凹 $314,000 X8 年 $320,000 26 $430,000 40,000 现收 321000 36,000 50,000 (48,000) 32,000 40,000 PAR 32,000 16,000 24,000 X9 年 $300,000 48,000 (32,000) (40,000) $276,000 存40000 銷 40000