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数学 高校生

FocusGold p396の例題222(4)の解説がよく分かりません。教えてください🙏

Check (0F本立会 例題 222 独立な試行2 3人でじゃんけんをして, ただ1人の勝者が決まるまで繰り返し行う。 い。 (2) 1回目であいこになる確率 () (3) 1回目で2人勝ち, 2回目はその2人があいこになる確率 (4) 3回目で勝者が決まる確率人I (1) 1回目で勝者が決まる確率 考え方 じゃんけんの問題を考えるときは, 誰が, 何で勝つかを考える. 「あいこ」 (3「勝負がつかない」)の場合は, 余事象をうまく利用する。 (1) A, B, Cの3人のうち1人が,グー,チョキ,パー のうち何で勝つかであるから,求める確率は, 1 出す。このと 解答 C×C_1 3° 3 く別解> 神(2) 1回のじゃんけんで, 2人が勝つのは,(1)と同様に あいこになるのは, 「(i)3 人が同じ出し 方」の場合と「(i)グ ー,チョキ,パーの すべてが出る」場合 より,求める確率は, 1-行るす 5である。個が入っ 考えて,3人のうち2人が何で勝つかであるから, C。×Ci_1 3° -xーメ 3 音 あいこになる」は「1人勝ちか2人勝ち」 の余事象 11 1 3 3 (3) 2人でじゃんけんをして, あいことなるのは, 3 1 3°9 3!_2 3° した(i)の確率は = 3_1 3° 3 1、1 18 3 2人が同じ出し方の場合であるから, (i)の確率は 9 合体人 よって,(2)より,求める確率は, 3 9 1 よって, 2 9 1 (4) 3人→3人→3人→1人, 3人→3人→2人→1人, 3人→2人→2人→1人 の3通り考えられる、ホ 5人 3人→3人, 3人→2人, 3人→1人の確率は, (1), 9 (2)の途中結果を利用 (2)より,すべて 1 3 1 はa2人→2人, 2人→1人の確率は, (3)より,一 よって,求める確率は, 1 2 と 3 立 ××すす3 1 1 1 1、2 1 1、2 5 -X X それぞれ行うじゃん けんは独立である。 3 3 3 3 3 27 -

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英語 中学生

2枚が文章で最後の一枚が問題です 至急お願いします🤲

[3 3年A組の放送部員のサキ(Saki)とジョン(John), コウタ (Kota)の3人が, 文化祭 (school festival)に校内で放送するラジオ番組 (radio program)の制作について話し合っ ています。 英文を読んで, あとの各問い(問 1~問3)に答えなさい。 注) broadcast~を放送する Saki: We are going to make a radio program and *broadcast it at our school festival on October thirtieth、 John, please write the main points in youy' notebook. John: OK. Saki: Thank you, John. Well, what kind of radio program can we make? t erani ow 19dw"o d John: I want to make one with many *contents. For content(s)内容 example, a program with music, talking, news, and d 30 SO on. CR Kota: I agree. I sometimes listen to the radio. In some radio programs, people just talk and don't play music. I can't enjoy that kind of radio program. So I think we should have both music and talking in our giroo msm program. ive es T aasfy 0 3804 2 3.00l0 aid:1 e Saki: I think so, too. But different people like different iow music. Some people like old songs, and others like rowt A0 3sds popular songs. What should we do about it? John: How about playing different kinds of music? For example, we can play old songs in the morning and 9 popular songs in the aftern0on. Then a lot of people dns can enjoy the music in our program.Jan' oot oder o 42 Saki: That's a good idea, . Let's get some CDs. And between music, we talk about some *topics, right? topic(s)話題 guest(s) ゲスト Kota: Yes. And we can have some *guests for the talking time. One of our teachers or some of our friends can be our guests. John: OK. What about news? Any interesting news?

未解決 回答数: 1
英語 中学生

至急お願いします

3 3年A組の放送部員のサキ (Saki)とジョン(John), コウタ (Kota)の3人が,文化祭 (school festival)に校内で放送するラジオ番組 (radio program)の制作について話し合っ ています。 英文を読んで, あとの各問い (問 1~問3)に答えなさい。 注) Saki: We are going to make a radio program and *broadcast broadcast. ~を放送する it at our school festival on October thirtieth. John, please write the main points in youy notebook. John: OK. o09e Saki: Thank you, John. Well, what kind of radio program can we make? odsvert s9 は 579d" g des John: I want to make one -with many *contents. For * content(s)内容 example, a program with music, talking, news, and d SO on. 9w Kota: I agree. I sometimes listen to the radio. In some radio programs, people just talk and don't play music. I can't enjoy that kind of radio program. So I think we should have both music and talking in our 中で mom program. き aiw eaurda.Tassfy 0 3802 8 3.00l03idt 1 sn Saki: I think so, too. But different people like different ow music. Some people like old songs, and others like owtno popular songs. What should we do aboutit? 20 。 John: How about playing different kinds of music? For example, we can play old songs in the morning and popular songs in the afternoon. Then a lot of people 0ns can enjoy the music in our program.ast oot のdera da.0 del Saki: That's a good idea, Let's get some CDs. And between music, we talk about some *topics, right? topie(s) 話題 o Kota: Yes. And we can have some *guests for the talking * guest(s) ゲスト time. One of our teachers or some of our friends can be our guests. John: OK. What about news? Anyinteresting news?

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英語 中学生

教えて欲しいです。

[3 3年A組の放送部員のサキ(Saki)とジョン(John),コウタ(Kota)の3人が、文化祭 (school festival)に校内で放送するラジオ番組(radio program)の制作について話し合っ ています。英文を読んで,あとの各問い(間1~問3)に答えなさい。 T modi 注) Saki: We are going to make a radio program and "broadcast broadeast~を放送する 20 it at our school festival on October thirtieth. John, please write the main points in youy notebook. John: OK. Saki: Thank you, John. Well, what kind of radio program can we make? Tonufovad John: I want to make one withmany "contents. For * contentia) 内容 example, a program with music, talking, news, and 30 0 on. 10 Kota: 1agree. I sometimes listen to the radio. In some radio programs, people just talk and don't play music. I ean't enjoy that kind of radio program. So I oL think we should have both music and talking in our om ads iw ide Ta uo o d program. Sakis I think so, too But different people like different music. Some people like old songs, and others like oW popular songs. What should we do about it? John: How about playing different kinds of music? For example, we can play old songs in the morning and popular songs in the afternoon. Then a lot of people adnio Dto/ brow 0o dT du i can enjoy the musie in our program.st oof odoge no 0ndo Saki: That's a good idea, Let's get some CDs. And between music, we talk about some *topics, right? * topies) 話題 Kota: Yes. And we can have some *guests for the talking uests) ゲスト time. One of our teachers or some of our friends can be our guests. John: OK. What about news? Any interesting news?

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英語 中学生

わからないので教えて欲しいです

3 3年A組の放送部員のサキ(Saki)とジョン(John), コウタ(Kota)の3人が、文化祭 (school festival)に校内で放送するラジオ番組(radio program)の制作について話し合っ ています。英文を読んで、あとの各問い(問1~問3)に答えなさい。 注) Saki: We are going to make a radio program and "broadcast 20 it at our school festival on October thirtieth. John, please write the main points in youy notebook. John: OK. Saki: Thank you, John. Well, what kind of radio program broadeast~を放送する y Hok can we make? To rud ow John: I want to make one with many *contents. For example, a program with music, talking, news, and 30 0 on. Kota: 1agree. I sometimes listen to the radio. In some contentia) 内春 20 radio programs, people just talk and don't play music. I can't enjoy that kind of radio program., So I think we should have both music and talking in our om ad iw ie T a uo 6 Nob program. id ooA Saki: Ithink so, too. But different people like different music. Some people like old songs, and others like W popular songs. What should we do about it? John: How about playing different kinds of music? For example, we can play old songs in the morning and popular songs in the afternoon. Then a lot of people dnio 10 ol ndT d can enjoy the music in our program.Jast oot odoge no do Saki: That's a good idea, Let's get some CDs. And between music, we talk about some *topics, right? Kota: Yes. And we can have some *guests for the talking * topiea) 話 e uestia) ゲスト time. One of our teachers or some of our friends can be our guests. John: OK. What about news? Any interesting news?

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