Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-random-variables-368-en_uva-random-variables-368-en
    nameuva-random-variables-368-en
    sectionProbability/Elementary Probability/Random variables
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.485
    p-value0.8618

    Question

    In a randomly drawn sample of 200 independent individuals, we looked at the occurrence of RSI complaints (none, mild, severe) and the type of work (much computer work, other).

    ———– ————— ————– ——- ——— yes RSI complaints None Mild Serious Type of work Much computer 18 14 8 Other 120 32 8 ———– ————— ————– ——- ———

    The likelihood of RSI complaints (both mild and severe), given that one does a lot of computer work, is equal to


    1. FALSE: 0.11
    2. FALSE: 0.31
    3. FALSE: 0.35
    4. TRUE: 0.55

    1. 0.11: Incorrect
    2. 0.31: Incorrect
    3. 0.35: Incorrect
    4. 0.55: Correct