Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-rules-for-expected-values-513-en_uva-rules-for-expected-values-513-en
    nameuva-rules-for-expected-values-513-en
    sectionProbability/Elementary Probability/Random variables/Rules for expected values
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Of 40 first-year nursing students, gender and age determined. This produced the following cross tabulation:

    ——- ——————- ————– —————— —- 30 years and younger 31 - 40 years 41 years and older woman 15 10 3 28 male 5 5 2 12 20 15 5 40 ——- ——————- ————– —————— —-

    The probability, that the person is male and/or has an age between 31 and 40 is


    1. FALSE: 0.125
    2. FALSE: 0.3
    3. TRUE: 0.55
    4. FALSE: 0.675

    1. 0.125: Incorrect
    2. 0.3: Incorrect
    3. 0.55: Correct
    4. 0.675: Incorrect