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    SAT官方每日一题附答案和解析[数学](2019年3月18日)

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    Mathematics

    An organization is conducting a survey asking how many US workers are offered paid vacation. The organization surveyed 500 workers and asked them whether they work part time or full time and whether or not they are offered paid vacation. The following incomplete table shows the results of their survey.


    Works part time

    Works full time

    Offered paid vacation
    114
    Not offered paid vacation

    16

    Of the 500 workers surveyed, 54.6% said they were offered paid vacation. Based on the information provided, what is the probability of selecting a worker who is offered paid vacation if a part-time worker is selected?

    A.0.228
    B.0.351
    C.0.418
    D.0.546

    重点单词   查看全部解释    
    probability [.prɔbə'biliti]

    想一想再看

    n. 可能性,或然率,机率

    联想记忆
    incomplete [.inkəm'pli:t]

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    adj. 不完全?#27169;?#19981;完整的

     
    survey [sə:'vei]

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    v. 调查,检查,测量,勘定,纵览,环视
    n.

     
    option ['ɔpʃən]

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    n. 选择权,可选物,优先购买权
    v. 给予选

    联想记忆
    ?

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