数学Aの場合の数と確率です ここの95と96を回答を読んでもわからないです、 あと96の[1]回答の5C3がなんで5・4・3と4・3・2・1になるのですか､? 分かりやすく教えて頂きたいです､!

6 確率の基本性質 1 確率の基本性質 1. どんな事象についても 0≤P(A) ≤1 とくに空事象について P(Ø) = 0, 2. 確率の加法定理 事象 A,Bが互いに排反であるとき P(AUB)=P(A)+P(B) 事象 A,B,Cが互いに排反(どの2つの事象も互いに排反)であるとき、3つの事象 のいずれかが起こる確率P (AUBUC) は P(AUBUC)=P(A)+P(B)+P(C) 2 一般の和事象の確率 2つの事象A,Bについて 3. 余事象と確率 92 0 *93 0 94 *96 P(A)+P(A)=1 DOVA 全事象Uについて P(U)=1 P(AUB)=P(A)+P(B)-P(A∩B) すなわち □ P(A)=1-P(A) A問題 HOTEL 1個のさいころを投げるとき, 「奇数の目が出る」という事象を A,「素数の 目が出る」 という事象をBとする。 ◆教p.50 例 15 (1) 事象 A∩B, AUB を表す集合をそれぞれ求めよ。 (2) 確率P(A∩B), P (AUB) をそれぞれ求めよ。 00000000000000 1から10までの10枚の番号札の中から1枚引くとき、次の事象のどれとど れが互いに排反であるか。 ●教 p.51 事象A: 偶数の札が出る 事象 C: 6の約数の札が出る 事象B : 奇数の札が出る 事象D: 7 の札が出る ( 1等 2等、3等の当たる確率がそれぞれ 5 1030 100 100' 100 であるくじがあ 神 *95 白玉5個、赤玉6個、青玉1個の入った袋から, 2個の玉を同時に取り出す とき 2個とも同じ色である確率を求めよ。 ◆教p. 53 例題 4 る。このくじを1本引くとき、 次の場合の確率を求めよ。 ◆教p.53 例 16 (1) 1等または2等が当たる。 (2) 1等、2等, 3等のいずれかが当たる。 赤玉5個、白玉7個の入った袋から, 4個の玉を同時に取り出すとき,その 中に赤玉が3個以上含まれる確率を求めよ。 教p.53 例題 4 97 4枚の硬貨を同時に投げるとき,表が3枚以上出る確率を求めよ。 教p.53 例題 4 第1章場合の数と確率

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Americans smile at strangers. This smiling shows that they are friendly. Usually, Japanese don't smile at strangers. When I was sitting in a hotel lobby with 1801916 a Japanese friend, a small group of Americans came into the lobby and smiled at us. dictatoria I smiled too but my Japanese friend did not. He said, "Do you know those Americans?" I said to him, “( )" My friend said, "How strange! Then s why did you smile at them?" I answered, "Because smiling in America is part of good manners." W sysugnal & mise of you who a wo gedwondo alt NOTES stranger w wolnoblido sibil s1w ew edw egengaal 問1 このパラグラフは何について書かれているか, 次の中から1つ選べ。 (6点) ( 520 Doher: ℗ Smiling ni yo di estem or 2 Americans' smile som A 3 A Japanese friend ov timsol 4 Good manners 問2 空所に入れるのに最適な文を、次の中から1つ選べ。 (6) got sodtom 234 2-Yes, I have wanted to see them. VS/TIMECRECEMOS E sgsugnal brogge & misal o 問3 このパラグラフの要旨を、第1~2文を参考にして、30字程度の日本語で答えよ。 ( 10点) ougnot tortom s misal ot gsugna brdose 928 of NSW. Yes, I know them very well. 3) I've never seen them before. Bugat mom aid arisel Hased od 本日内の空 C ers Ils ogsugnal bnoooe BCN SIX0730 S (AD 4* (GON) HER HRN 2.

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1 I don't know the answer. If I ______ 2 I have a car. I couldn't travel much if I 3 I don't want to go out. If I 4 We don't have a key. If we house. 7 You can't drive. If you the answer, I'd tell you. 5 I'm not hungry. I would have something to eat if I hungry. 6 Sue enjoys her work. She wouldn't do it if she to go out, I'd go 9 I have a lot to do today. If I out. a key, we could get into the a car. 8 He speaks too fast. I could understand him better if he more slowly. it. drive, I would lend you my car. so much to do, we could go

高校生です 分かる方教えてくださると助かります🙏 (答えだけでも全然大丈夫です)

6 本文の単語を使って(必要があれば適切な形に直し), 英文を完成させなさい。 (1) If you are ( (2) A ( ), you are known to a lot of people. ) is a person who has 1,000,000 dollars or more.

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6 本文の単語を使って(必要があれば適切な形に直し), 英文を完成させなさい。 (1) If you are ( (2) A ( ), you are known to a lot of people. ) is a person who has 1,000,000 dollars or more.

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4 右の図は, 円錐とその展開図です。 この 円錐に、ひもの長さが最も短くなるよう に, Aから1周してひもをかけます。 次の 問いに答えなさい。 (各10点) (1) ひものようすを展開図にかき入れなさ い。 18cm 3 cm- AMA HOTELA () (2) 側面のおうぎ形の中心角を考えて、ひもの長さを求めなさい。 0

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la vitbl Questions 4-7 refer to the following letter. January 10 Ms. Erin Murphy Customer Service Department Westcoast Airlines Major Miles Program 345 Brook Street Dallas, TX 75218 Dear Ms. Murphy, As per your request during our telephone conversation on January 8, I am sending you Los Angeles International Airport last December. Please note that my ticket was upgraded itinerary and ticket number for my recent roundtrip flight from JFK International Airport business class with a Major Miles Gold Class voucher and should therefore be eligible f full business class mileage credit. 62 Section Il over 15 years. I must confess that I find the new restrictions to your flight voucher pla I am a Gold member in the Major Miles program and have been a Westcoast customer 1 genuinely confusing. I fail to understand why the burden of proof for my mileage cred rests with me. Shouldn't this information be on your ticketing computer? This was my itinerary. MD My ticket number was #YB42565697. Departed JFK, December 22 at 10:20 for LAX Returned to JFK from LAX on December 29 at 16:40 My seat number was 14B. 7B My Major Miles number is # 04356721 (Gold Card). I sincerely hope that this issue will be resolved quickly as I am counting on my miles eame during this trip to upgrade my hotel room next May. Thank you very much for your attention in this matter. Sincerely Yours, Jarrod Watkins Jarrod Watkins 4. 5. 6. What does Ms. Murphy do? (A) She makes airline reservations. (B) She deals with unhappy customers. (C) She issues new tickets. (D) She upgrades people to business class. What is the purpose of this letter? (A) To upgrade his ticket to business class (B) To buy a flight upgrade coupon (C) To complain about his seat reservation (D) To receive more mileage credits How does Mr. Watkins feel about the new frequent flier program rules? (A) He would like them to be simpler. (B) He believes they are unfair. (C) He finds them to be convenient. (D) He hopes that they will benefit hold Card members more. Which of the following is NOT mentioned in the letter? (A) His ticket number (B) His frequent flier level (C) His credit card number (D) His flight information inq M:8 big en enthovenot cold w lar hud,mq 01X in jord is di Hal Unit 2: Letters, E-mails, & Text message chains 63

TOEICの動詞の単数、複数問題です。 答えを教えてください🙇‍♀️なさい

Warming Up 正しい選択肢を選び、文を完成させましょう。 1. Everyone (a. make b. makes) mistakes. 2. Each student ( a. make b. makes) a short speech in English. 3. Some people (a. make b. makes) interesting videos on YouTube. 4. The birds (a. make b. makes) a lot of noise in the morning. Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The chairs in the living room ------- new. (A) is (B) are (C) has been (D) was 2. The cost of the new window (A) are (B) be (C) is_(D) were 3. Most rooms in the hotel ------- Wi-Fi service. (A) has (B) have (C) is having (D) has had $250. ------- 4. The house for sale (A) has (B) have (C) having (D) are having three bedrooms and two bathrooms. IYIT DOY 5. Every room in Sun Apartments ------- an ocean view. (A) provide (B) provides (C) are providing (D) have provided 6. A new dormitory for the students------- near the campus. (A) open (B) have opened (C) are opening (D) has opened ------- 7. House prices in the city - this year. (A) goes up (B) has gone up (C) is going up (D) have gone up READING CheckLink CheckLink 8. This convenient neighborhood ------- popular with young couples. (A) become (B) are becoming (C) is becoming (D) have become

TOEICの副詞の問題です。答えを教えてください🙇‍♀️

ravel Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The airplane arrived -- at the airport. (A) safely_(B) safe (C) safeness (D) safety ------- 2. The weather was fine for sightseeing. (A) perfect (B) perfectly (C) perfection (D) perfected 3. From the hotel, you can walk- to the beach. (A) ease (B) easiness (C) easily (D) easy novelamo tablius volu 4. Please check Mr. Clark's travel schedule ---- (A) careful (B) carefulness (C) care (D) carefully 5. The number of tourists goes up ------- in the summer. (A) greatness (B) great (C) greaten (D) greatly ----- ng the dones 6. Shuttle buses to the airport leave (A) regular (B) regulate (C) regularly (D) regulation ME SO 7. All trains are running very ------- this morning. (A) smooth (B) smoothen (C) smoothness (D) smoothly 8. The special tour to Hawaii sold out --- (A) quickly (B) quick (C) quickness (D) quickenlos ylla

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16 ONE-MINUTE GRAMMAR [関係代名詞・関係副詞] | They live in groups, which have a strict, hierarchical social order. 「彼らは群棲しているが､それぞれの群れには厳しい序列がある」 ■Shrimp who live on their own always become haermaphrodites. 「単独で生きているエビは、常に雌雄同体になる」 ■The female fish that was previously ranked third changes sex. 「以前は第3位であったの魚が性転換する」 If they swim too far from the coral reefs where they usually live, they can be easily caught by predators. 「もしいつも住み処にしている珊瑚礁からあまりにも離れたところで泳ぐと、い とも簡単に捕食者に捕まってしまうだろう」 次のそれぞれの文を関係代名詞か関係副詞を入れて完成させなさい。 1. My father works for a company ( 2. The book is about a physicist ( 3. What happened to the paintings ( 4.A widow is a woman ( 5. The Hotel California ( ) makes electrical appliances, ) made a ground-breaking discovery. ) were on the wall? ) husband is dead. ) we stayed was in the middle of the desert.