Exam 1

  1. Metainformation

    Tag Value
    fileDistributions_uva-normal-1276-en_uva-normal-1276-en
    nameuva-normal-1276-en
    sectionDistributions/Continuous/Normal
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.97
    p-value0.4043

    Question

    About 60% of China’s population has a cell phone. Suppose you do a survey of 40 randomly selected Chinese people, what is the probability that 75% or more of these people have a cell phone?


    1. TRUE: 0,03
    2. FALSE: 0,15
    3. FALSE: 0,60
    4. FALSE: 0,70
    5. FALSE: 0,97

    1. 0.03: Correct
    2. 0.15: Incorrect
    3. 0.60: Incorrect
    4. 0.70: Incorrect
    5. 0.97: Incorrect