Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-general-rules-1181-en_uva-general-rules-1181-en
    nameuva-general-rules-1181-en
    sectionProbability/Elementary Probability/General Rules
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Of all voters in the US, 40% favor candidate X for president. Pollsters take a sample of 2,400 voters. What is the expected proportion of people in the sample who support candidate X?


    1. TRUE: 0,4
    2. FALSE: 0,6
    3. FALSE: 1
    4. FALSE: 960

    1. 0,4: Correct
    2. 0,6: Incorrect
    3. 1: Incorrect
    4. 960: Incorrect