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TOEIC・English Undergraduate

この長文問題の答えと解説をお願いします。

15 語数: 398 語 出題校 法政大 5 We are already aware that our every move online is tracked and analyzed. But you 2-53 couldn't have known how much Facebook can learn about you from the smallest of social interactions - a 'like'*. (1) Researchers from the University of Cambridge designed (2) a simple machine-learning 2-54 system to predict Facebook users' personal information based solely on which pages they had liked. E "We were completely surprised by the accuracy of the predictions," says Michael 2-55 Kosinski, lead researcher of the project. Kosinski and colleagues built the system by scanning likes for a sample of 58,000 volunteers, and matching them up with other 10 profile details such as age, gender, and relationship status. They also matched up those likes with the results of personality and intelligence tests the volunteers had taken. The team then used their model to make predictions about other volunteers, based solely on their likes. The system can distinguish between the profiles of black and white Facebook users, 15 getting it right 95 percent of the time. It was also 90 percent accurate in separating males and females, Democrats and Republicans. Personality traits like openness and intelligence were also estimated based on likes, and were as accurate in some areas as a standard personality test designed for the task. Mixing what a user likes with many kinds of other data from their real-life activities could improve these predictions even more. 20 Voting records, utility bills and marriage records are already being added to Facebook's database, where they are easier to analyze. Facebook recently partnered with offline data companies, which all collect this kind of information. This move will allow even deeper insights into the behavior of the web users. 25 30 (3) - Sarah Downey, a lawyer and analyst with a privacy technology company, foresees insurers using the information gained by Facebook to help them identify risky customers, and perhaps charge them with higher fees. But there are potential benefits for users, too. Kosinski suggests that Facebook could end up as an online locker for your personal information, releasing your profiles at your command to help you with career planning. Downey says the research is the first solid example of the kinds of insights that can be made through Facebook. "This study is a great example of how the little things you do online show so much about you,” she says. "You might not remember liking things, " but Facebook remembers and (4) it all adds up.", * a 'like': フェイスブック上で個人の好みを表示する機能。 日本語版のフェイスブックでは「いいね!」 と表記される。 2-56 2-57 2-58 36

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TOEIC・English Undergraduate

この文章の和訳を誰かしていただけないでしょうか😢 英語が苦手で、、、。よろしくお願いします!

19,20 Friday, Feb. 26, 2021 O French safety officials the 写真提供:ロイターアフ。 safety official 安全局合。 on Thursday gave green light to extend the lifetime of the FESSENHEI/ 35 eDF country's oldest nuclear power plants as it seeks to boost the share of renewable 再生可能エネ ルギー mix. renewables in its power の Nuclear energy currently provides nearly 70 10 French electricity, more than in OFrance, hoping to reduce that share to 50 percent by 2035 percent of any other country. obs91 910a8 ーa target pushed back from an earlier 2025 date the help of renewables, has been holding off from building with hold off 控える、見合わ せる new reactors. 15 The French nuclear safety authority(ASN) said the country's 32 plants with 900 megawatt capacity, built mostly in the 1980s, would be allowed to operate for another nuclear safety authority 原子力安全局 decade, taking their potential lifespan to 50 initially planned 40. 20 6 They will therefore not be decommissioned before the late years from the uohee) 活導大 2020s or even late 2030s, depending on their initial launch date. 6 The safety of French nuclear plants is checked every bse 01nla8 decade. s の ASN asked state-controlled electricity provider EDF, which EDF フランス電力 the country's nuclear plants, to undertake work to safeguard the stations' security. “The main target was to limit the consequences of accident, especially any serious accident involving the manages any necessary any meltdown of a reactor," ASN's deputy director-general Julien

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TOEIC・English Undergraduate

線で引いてあるところはなぜ、≦n-1ではないのですか?n人いて、n人勝つというのはありえないのでは…?? どなたか教えてください😭

深音 nを2以上の自然数とする。 n人全員が一組となってじゃんけんを1回するとき, 勝った人の数 Berbs m LGANSE actn rchis n 150 )ちょうどk人が勝つ確率 P(X=k) を求めよ。 ただし, kは1以上とする。 をXとする。ただし,あいこのときはX=0 とする。 数学B-46、 (2) Xの期待値を求めよ。 n人の手の出し方は全部で [1] 1<kSn-1のとき 勝つん人の選び方は その各場合について,勝つ人の手の出し方は、 ゲー, チョキ,←負ける人の手の出し方 パーの3通りずつある。 3" 通り 【名古屋大) C 通り 0 4 は自動的に決まる。 P(X=k)= »C&X3_»Ch 37 よって 37-1 [2] k2nのとき (2)Xのとりうる値はX=0, 1, 2, P(X=k)=0 ……, n-1である。 n-1 E(X)= EkP(X=k)= 1 n-1 1 n-1 Ek,C= 37-1R=0 -Ek,C。 37-1=1 k=0 こで 1SkSnのとき n! n! n! k,C&=k そ,C= =n*n-1C&-1 n-1 よって E(X)= ーCh-! 37-1R=1 = ー(カー1Co+n-1C:+……+カー1Cカ-2) 37-1 ここで,二項定理により (1+1)”1ーュー」Co+n-1Ci+ +カー1Cn-2+n-1Cn-1 カー1Co+n-1Ci+ +n-1Cn-2=2"-1_n-1Cカ-1 =2"-1-1 ゆえに n(2"-1-1) E(X)= 37-1 したがって 確率変数Xの期待値,分散,標準偏差を求めよ。 確率変数 11X-2の期待値,分散,標準偏差を求めよ。 【類センター試験」 るる値はX=0 1.2.3.4.5で

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TOEIC・English Undergraduate

線で引いてあるところはなぜ、≦n-1ではないのですか?n人いて、n人勝つというのはありえないのでは…?? どなたか教えてください😭

深音 nを2以上の自然数とする。 n人全員が一組となってじゃんけんを1回するとき, 勝った人の数 Berbs m LGANSE actn rchis n 150 )ちょうどk人が勝つ確率 P(X=k) を求めよ。 ただし, kは1以上とする。 をXとする。ただし,あいこのときはX=0 とする。 数学B-46、 (2) Xの期待値を求めよ。 n人の手の出し方は全部で [1] 1<kSn-1のとき 勝つん人の選び方は その各場合について,勝つ人の手の出し方は、 ゲー, チョキ,←負ける人の手の出し方 パーの3通りずつある。 3" 通り 【名古屋大) C 通り 0 4 は自動的に決まる。 P(X=k)= »C&X3_»Ch 37 よって 37-1 [2] k2nのとき (2)Xのとりうる値はX=0, 1, 2, P(X=k)=0 ……, n-1である。 n-1 E(X)= EkP(X=k)= 1 n-1 1 n-1 Ek,C= 37-1R=0 -Ek,C。 37-1=1 k=0 こで 1SkSnのとき n! n! n! k,C&=k そ,C= =n*n-1C&-1 n-1 よって E(X)= ーCh-! 37-1R=1 = ー(カー1Co+n-1C:+……+カー1Cカ-2) 37-1 ここで,二項定理により (1+1)”1ーュー」Co+n-1Ci+ +カー1Cn-2+n-1Cn-1 カー1Co+n-1Ci+ +n-1Cn-2=2"-1_n-1Cカ-1 =2"-1-1 ゆえに n(2"-1-1) E(X)= 37-1 したがって 確率変数Xの期待値,分散,標準偏差を求めよ。 確率変数 11X-2の期待値,分散,標準偏差を求めよ。 【類センター試験」 るる値はX=0 1.2.3.4.5で

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