数Aの確率で、2×3、3×4、4×2は順列にならないんですか？あと、(2)は余事象で解けますか？お願いします🙇‍♀️🙇‍♀️

例題 基本例 42 確率の加法定理 00 袋の中に赤玉2個, 青玉3個, 白玉4個の合わせて9個の玉が入っている。 この袋から3個の玉を同時に取り出すとき, 3個の玉の色がすべて同じであ る確率を求めよ。 この袋から2個の玉を同時に取り出すとき 2個の玉の色が異なる確率を求 めよ。 AとBが互いに排反事象 (A∩B=Ø) であるとき, 確率の 加法定理 P(AUB)=P(A)+P(B) (3つ以上の事象についても同様) が成り立つ。 つまり,この加法定理により, 確率どうしを加え ることができる。 ← /P.402 基本事項 3, 4 U (1)3個の玉の色がすべて同じ「3個とも青」 と 「3個とも白」の2つの排反事象 の和事象。 き、 これ (2)2個の玉の色が異なる →2色の選び方に注目し,排反事象に分ける。 CHART 確率の計算 排反なら 確率を加える 403 2章 ? 確率の基本性質 (1)9個の玉から3個を取り出す場合の総数は C3 通り 3個の玉の色がすべて同じであるのは A: 互いに A:3個とも青, B: 3個とも白 to B: ○○○] 排反 の場合であり, 事象A, B は互いに排反である。 よって、求める確率は 問題の事象は,AとB 和事象である。 率 事象A,Bは同時に起こ らない(排反)。 P(AUB)=P(A)+P(B) 車 (1) CC 3C3 4C3 13 (8)9+ + 9C3 9C3 350 = 45X + となる目の84 84 84の (2)9個の玉から2個を取り出す場合の総数は9C2通り 2個の玉の色が異なるのは C:赤と青, D: 青と白, E : 白と赤 出 2 事 [X<2] と違えないよ 注意 否定は C: D:○ 互いに排反 せいに よって、求める確率は この場合であり、事象 C, D, Eは互いに排反である。 11:00] P(CUDUE)=P(C)+P(D)+P(E))+(005) 2×3 +3×44×2 P(C)=2CX3C1 9C2 + 9C2 9C2 9C2 40 26 13 = 36 18 ar 袋の中に, 2と書かれたカードが5枚, 3と書かれたカードが4枚, 4と書かれた ・カードが3枚入 一度に3枚のカードを取り出すとき

答え合ってますでしょうか😭😭

1 英文中の空所に入る適切な語または語句を選択肢から選びなさい。 ()ted 1. I don't know () about computer science. 1 some 2 every (3 none 2. "These apartments are supposed to be for students." to \anemone \ new anything () "That's ridiculous. ( ) could possibly afford such high rent." All students 2 Some students 3 Any students 4 No student 〈北海学園大 〉 ) all of the players gave their best performance in the final game. hot ... all # 3. ( 1 No (2 Not 3 Most 4 More < 東京都市大〉 2:3 ? SS ER 文

（3）について質問なのですが、答えが Naoki,whose father〜company,has lots of 〜games. なのですが、なぜhas〜gamesの文とwhose father〜company の文が逆だといけないのか教えてください🙇🏻‍♀️🙏🏻

3 Rewrite the sentences. Use who, whose, or which. → 3) 5) Ann has a son and he has just entered college. Ann has a son, who has just entered college. 1) I went to see the doctor and she told me to stay in bed for a few days. I went to see the doctor 2) Yuki showed us her kitchen and she was very proud of it. Yuki showed us her kitchen 3) Naoki has lots of great video games and his father works at a video game company. Naoki 4) The boy said that he had seen a ghost but it was a lie. The boy

なぜ、二次関数はy=a(x-p)+qとかy＝ax^2+bx+cとか表し方がいくつかあるんですか

かっこに入る単語(Lの小文字 l で始まる単語)を教えていただきたいです。わかる方お願いします。

) goal. However, the Improving this state's quality of education is a( governor has a lot of work ahead of him in order to make his promise a reality.

黄色の部分がどういう意味なのかを教えてもらいたいです！🙇🏻‍♀️一枚目は一つ前の文章です

Shirakawa Yuko talks in a magazine about what it is like to be a nurse in a war zone. I work as a nurse for MSF. First, let me tell you why I joined MSF. I went through most of my high school years without having any idea what I wanted to do with my life. In the fall of my last year, a friend told me she would go to nursing school. "I want to be a nurse, too!" I burst out spontaneously. The entrance exams were only four months away, but I was now determined to become a nurse. I studied very earnestly and passed the examination. G1 I already knew about MSF, having seen a TV program about it when I was a little girl. I even dreamed of joining it one day. That dream came back to me after I worked as a nurse for several years. In order to join MSF, I had to be able to speak 15 English fluently. So, I decided to study in Australia. There I worked hard to improve my English, and after that I acquired more nursing experience. Then I was finally accepted by MSF. no in a Zene 5 I

最後の文の維持するために尽くしてきたのところについてで、ここでは、現在完了進行形で書いてあるのですが、これだと寝てる時もどんな時でも尽くしてきたのように感じられるのですが、そうではないのですか？教えてくださいm(_ _)m

T 私たちは、周囲にあまりにもたくさんある文化財になれっこになっ て、その存在を当然のように思いがちである。 しかし本当は、1つ 1つの文化財は、それを維持するために尽くしてきた数多くの人 た ちの多年の努力の結晶である。

並べ替え問題を教えいただけるとうれしいです。 よろしくお願いします。

He studied hard ( ) ( ) ( ) ( ) ( ) ( ). ① order 2 that ③ he ④ the prize (5) ⑤ might 6 in ⑦7 win

教えてください🙇🏻‍♀️

[2] あるクラスでディベートが行われています。 (1)~(3)はディベートの前半戦, (4)(5)は後半戦における発言の (1) 一部です。 ディベートの流れを意識しながら, 進行役の先生のセリフ が流れよく成り立つよう、下線に当てはまるものを選択肢から選び, 記号で答えなさい。 [思・判・表] (2) (教科書 P.88~89, P.92~95 参照) (3) (1) Teacher Are you ready to start our class debate? (4) Our topic is here on the board: "Digital books are better than paper books." (5) Raise your hand if you have a reason to support for this statement. (2) Student A: With an eReader, we have access to all of the books that we own. We can read many on the train. We can't carry many books with us every day. Teacher: (3) Student B Paper books don't use electricity. It's important that we use as little electricity as possible to prevent global warming. Teacher: (5点x5) (4) Teacher: Next, we will refute the other side's opinions. Say which opinion you are refuting, give your refutation, then give an example. (5) Student C They said that digital books are convenient, but I don't think it's a big advantage. We don't always need all of our books with us. Just one book is enough. Teacher: [選択肢] J. Good idea. "Good for the environment." 5. Great. "Digital books are convenient." 1. Let's start with the affirmative side. I. Very good. "Not a significant advantage." *. Let's start with the negative side.

関係代名詞についての問題です 解いてみたのですが、間違っていたら教えてほしいです🙇🏻‍♀️💦 苦手なところなのでよろしくお願いします！

2. ( )内の語句を並べかえて, 英文を完成させなさい。 (2点×3=6点) (1) I want to go (which / Cambodia, / for/to/ famous / is) its ancient temples. I want to go to Cambodia, which is famous for its ancient temples. (2) I can't (got / my watch, / as /find/I/ which) a birthday present from my parents. I can't got my watch, which I find as a birthday present from my parents. (3) (do/ have/today/we/what / to) is to discuss the urgent problem. We have to do what today. 3.[]内から適切な語を選び, 対話文を完成させなさい。 is to discuss the urgent problem. (1) A: Do you know a student ( who ) can speak Chinese? B: Yes. There is a Chinese student in our class. (2) A: I found this at the used bookstore. (2点×5=10点) B: Oh, it's (what ) I've been looking for. (3) A: Do you remember the girl ( whom ) I introduced at the party? B: Of course. She was very nice. (4) A: John injured his arm and he's suffering from pain. B: I have some medicine ( which ) eases pain. I'll give it to him. (5) A: Can I use your pen? B: I'm sorry, but I can't lend it to you because this is the only one ( that [which/what/that/who/whom ] ) I have.