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A survey of a random sample of 12000 adults in the US home-buying market finds that 97% of those surveyed recognized a certain real estate brand name. If the margin of error was 2.4%, of the following, which is the best estimate of the percent of adults in the home-buying market in the US who recognize this real estate brand name?
A.88%
B.92%
C.96%
D.100%
| 重點單詞 | 查看全部解釋 | |||
| brand | [brænd] |
想一想再看 n. 商標，牌子，烙印，標記 |
聯想記憶 | |
| survey | [sə:'vei] |
想一想再看 v. 調查，檢查，測量，勘定，縱覽，環視 |
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| random | ['rændəm] |
想一想再看 adj. 隨機的，隨意的，任意的 |
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| estate | [is'teit] |
想一想再看 n. 財產，房地產，狀態，遺產 |
聯想記憶 | |
| recognize | ['rekəgnaiz] |
想一想再看 vt. 認出，認可，承認，意識到，表示感激 |
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| multiple | ['mʌltipl] |
想一想再看 adj. 許多，多種多樣的 |
聯想記憶 | |
| margin | ['mɑ:dʒin] |
想一想再看 n. 差額，利潤，頁邊空白，邊緣 |
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| sample | ['sæmpl] |
想一想再看 n. 樣品，樣本 |
聯想記憶 | |
| certain | ['sə:tn] |
想一想再看 adj. 確定的，必然的，特定的 |
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