こんちゃ！おもちです！ いそぎです！ スピコンに出るので添削お願いします！ ↓ Hello, everyone . My name is Omoti . Today, I’m going to talk about my favorite memory of ... Read More

2枚目を1枚目と同じように計算できるんではないかと思いしたんですが、（3枚目）違いました 考え方はあっている？のになぜ1枚目のような方法で解けないのですか？

304 基本例題 47 対戦ゲームの優勝確率 あるゲームでAチームがBチームに勝つ確率は 22, BチームがAチーム 勝つ確率は 1 であるとする。 A,Bがゲームをし, 先に4ゲームを勝って ームを優勝とする。 (1) 4ゲーム目で優勝チームが決まる確率を求めよ。 (②2) 7ゲーム目で優勝チームが決まる確率を求めよ。 CHART O OLUTION > n回目で決着 (n-1) 回目までに着目 ...... (②2) Aが4勝3敗で優勝する確率を C (1/2)^(1-12/2) 7C4 解答 (1) 4ゲーム目で優勝チームが決まるのは, AチームまたはB チームが4連勝する場合であり,これらは互いに排反である。 よって、求める確率は (23) 2+(4)-47 = (2)[1] 7ゲーム目でAチームが優勝する場合 6ゲーム目までにAチームが3勝し, 7ゲーム目にAチー すぐにこの思想になることが大事!! ムが勝つときであるから, その確率は *C. ( 13 ) *( ² ) ² × ² / - としては誤り! は7ゲーム目までにAが4勝する確率であり,例えば,Aが4連勝した後 で3連敗する場合も含まれている(この場合は4ゲーム目で優勝が決まる)。 7ゲーム目で優勝が決まるから, 6ゲーム目までにAが3勝し7ゲーム目に Aが勝つ確率を求めなければならない。 B が優勝する場合も同様。 4023 3×36 + 240 3 3 [2] 7ゲーム目でBチームが優勝する場合 23 合 13 + 23 [1] と同様にして [1], [2] は互いに排反であるから、求める確率は 20 23 23 160 3 -X36=20x 36 729 ..(1/)(///x1/13-28x72 C$ ( 1 ) * ( ²3 ) * - - - * 20 23 重要例 右の図のよう ある。 地点 て地点B Ip.298 基本事項、基本品 X 確率を求め 北に行くか 確率で CHART C 最短 求め これ 本問 AT A,Bのどちらが優勝し てもよい。 確率の加法定理。 ▪nCrp" (1-p)"- 6ゲーム目までにBが3 勝し,7ゲーム目にBが 勝つ場合。 確率の加法定理。 A 解答 右の図の る。Pを があり, [1] 道 この石 PRACTICE･･･ 47③ A, B の2人があるゲームを繰り返し行う。 1回のゲームでAがB であるとする。 に勝つ確率は 1/23,BがAに勝つ確率は (1) 先に3回勝った者を優勝とするとき, Aが優勝する確率を求めよ。 ((2) 一方の勝った回数が他方の勝った回数より2回多くなった時点で勝った回数の多 い者を優勝とするとき, 4回目までにAの優勝する確率を求めよ。 [2] 道 この よっ PR

教えてください お願いします🙏

Ver the questions. Emma: You're a popular animal photographer. You especially enjoy taking cat photos. I'd like (1) know your secret for (2) take great photos! Iwago: Thank you. My secret is to love cats. (3) To spend a lot of time with them is the key. When you understand their lifestyles, you can find chances for wonderful photos. Emma: When did you decide to become an animal photographer? Iwago: When I was 19. My father went to the Galapagos Islands to take photos. I went there to help him. Boobies hatched from eggs (4) ( ) front of my eyes. A sea lion patted my shoulder. I was happy (5) get close to them. Those experiences were exciting. Emma: (6) ( ) do you take photographs of nature? Iwago: Today, (7) many children don't have (see / in the wild / nature / to / a chance). want to take pictures in order to develop their interest. We have lessons to learn from nature. We are part of it. We are in nature's circle of life. We must remember that. Emma: I agree. Thank you very much.

空欄の単語が合っているかの確認をお願いします。

attack camouflage invisible indicate cared about sword cared about om the box. Two items are extra. died out techniques Sword techniques camoflage Perhaps the most famous martial arts experts in history were the ninjas of Japan. (1) other martial arts experts focus on just their (2) For example, apart from their main weapon, attack ,ninjas were experts at many things. the (3) - they also learned how to use many other kinds of (4) And, if they found themselves without a weapon, they could (5) a person with just about any object that was accessible to them. exhibits weapons Even though ninjas have almost entirely (9)_ died one There is even a museum in Japan that (10) ninja artifacts. impressive whereas skills of acting and talking like other people. They would Ninja warriors also had (6)_impressive dress and act like other people in order to gain access to secrets. This ability made them great spies. And after collecting the information they needed, ninjas could (7) indicate themselves and become almost (8) invisible in their environments. exhibies today, they are as popular as ever. tools, weapons, and other Review 16 20

A~Cの問いを教えてください！ お願いします🙏

answer the questions. Emma: You're a popular animal photographer. You especially enjoy taking cat photos. I'd like (1) know your secret for (2) take great photos! Iwago: Thank you. My secret is to love cats. (3) To spend a lot of time with them is the key. When you understand their lifestyles, you can find chances for wonderful photos. Emma: When did you decide to become an animal photographer? Iwago: When I was 19. My father went to the Galapagos Islands to take photos. I went there to help him. Boobies hatched from eggs (4) ( ) front of my eyes. A sea lion patted my shoulder. I was happy (5) get close to them. Those experiences were exciting. / Emma: (6) ( ) do you take photographs of nature? Iwago: Today, (7) many children don't have (see / in the wild / nature / to / a chance). I want to take pictures in order to develop their interest. We have lessons to learn from nature. We are part of it. We are in nature's circle of life. We must remember that. Emma: I agree. Thank you very much.

1.2.6.7 解説お願いします。 私は3.4.1.1で間違えました。

【A】 空所に入る適切な語(句) を1つ選びなさい。 (1) I have no idea when he ( ) next time. (EX) Dwill come 2 coming. 2 coming comes has come (2) My brother ( ) his company's basketball team. (BEL) Dis belonging 2 belongs to is belonging to belongs. (3) Tom ( to San Francisco to see a friend of his last month. (2) goes 2 is going went has gone (5) I won't go out if it () tomorrow. Drains will rain (4) Some books will be forgotten as soon as we ( ) them. (X) have read 2 reading 3 will read will have read (7) rained rain (6) On my way to school each day, I generally ( were seeing 2 see 3 was seen (7) My father sometimes ( helps helped ① 時制 [A] (9) Could you ask Mary to call me back when she ( comes 2 came 2 came come will come 3 (1) (2) 2 ② 年組番名前: (3) 3 (4) (5) [p. 44, 4) (p. 46, 9) [p. 50, 17] ) many dogs and cats. (x) am seeing (10) I ( ) lunch at the moment. Can you come back later? (2) had had 2 have had am having had [p. 52, 28) [p. 52, 25] (6) (2) [p. 44, 1) (7) (2) [p. 44, 3) (8) 3 (p. 50, 19] (9) [p. 52, 23) (10) 3 [p. 46, 5) ) me with my homework when I was a student. (**) has helped is helping (7) (8) The train ( ) when I reached the platform, so I didn't have to wait in the cold. (ty 4-) previously arrives 2 has already arrived had already arrived previously arrived (8) ) home? (FX) (1) 第回 (月日) スクランブル英文法・語法 [4訂版] (2) (3) (4) (5) (6) (9) (10)

添削お願いします。 According to the graph, I would like to state the three points. To begin with, from 1800 to 2012, global, average life expec... Read More

Life Expectancy at Birth 90 80 70 60 50 40 30 20 Life Expectancy of the World Population in 1800, 1950, and 2012 Somalia Nigeria Mozambique Sierra Leone Somalia Bhutan India India 10 und UVO naut no 370qmi Afghanistan India Rwanda South Korea MOT 7 ST GR II 1/4 Pakistan China Nigeria Spain Russia Russia Indonesia South Korea Brazil 1/2 Brazil China China USSR Cuba Cumulative Share of the World Population Japan France 3/4 South Korea Costa Rica USA Mexico Germany Canada Japan Spain Australia Germany Norway USA Belgium Netherlands Germany USA 2012 Global average life expectancy: 70 years 1950 Global average life expectancy: 48 years 1800 Global average life expectancy: 32 years 1 [Adapted from Max Roser et al., "Life Expectancy," in Our World in Data, 2019] 24 2021 (Writing) 早稲田大-国際教養

"tear A up"で"Aをもぎ取る"という意味なのですが、2文目では"tearing up A"という語順になっているのはなぜなのでしょうか？

and had to ask her to repeat her order twice. 4He knew he was losing his dignity as a representative by having an infant tearing up part of his uniform, know company to take it back, but at the same time he didn't and he wanted what to say or do. He stood there the hat and gave it back it on again, to him. He put

英語です！教えてください！

C 関係詞 1 語を加えて ( )内の語句を並べかえなさい。 ただし, thatは使わないこと。 1 このように彼らは橋を破壊した。 (destroyed / is / they / the bridge/ this). 2 私が訪れた町は景色が美しかった。 (visited / sights / I / the town / beautiful / had). 3 彼が怒った理由に私は驚いた。 (surprised / got / the reason / angry / me / he ). Notes platform

(7)の正誤判定をお願いします。後、アドバイスなどもあったらお願いします🙏

3 き終わ あとに生徒たちがよい本を選ぶ。 2 (7) 下線部④について,あなたはどう思いますか。 あなた自身の意見を,理由を含めて,英文1文で書きなさい。 50%以下 IⅠ think so too because reading books makes us 本誌 p.62~63 1 (1) エ (2) If (3) Reading books is fun (and I can become smarter.) (4) (A) I B ア C ウ (5) イ (6)〈例〉 生徒が大好きな本についてスピーチをし, そのスピーチを聞いたあとに, 最もよ い本を選ぶ。 (7)〈例1〉 I agree with Mr. Tanaka because reading books often gives us useful and interesting ideas. 〈例2〉 I don't think students should read more books because they can get more information through the Internet or TV. 対話文全訳 たなか先生 : 日本の中学生や高校生はあまり本を読まないと言います。 グラフAを見てください。 2011 年から2015年の間, 生徒たちが 「あなたは1か月に何冊本を読みますか。」 という質問に答え ました。 このグラフから何が言えますか。 あゆみ : ①小学生は中学生や高校生よりもたくさんの本を読みました。 です。 小学生は1か月に約10冊の本を読みましたが, 中学生は約4冊を読みま < 15 点> happy 本誌 p.64~65 (1) 1 few ④ afraid [sc becoming difficult to see the (4) 〈例〉 彼らの市の人々に、8月 (5) A lay their eggs B it' 長文全訳 こんにちは、みなさん。 この前の夏、 した。 夜間 ぼくたちは暗い空にとて できました。 それはすばらしい経験で しかし、ここ、この都市でたくさん き夜空を見上げますが、 ここではほん のです。 夜の人工光がぼくたちの生活 にそれほど多くの光が必要でしょうか 星を見ることが難しくなっているの を使い, 「光害」ということばを見つ 環境省は、光害とは日本語で「光の 年の調査によると