Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-rules-for-expected-values-466-en_uva-rules-for-expected-values-466-en
    nameuva-rules-for-expected-values-466-en
    sectionProbability/Elementary Probability/Random variables/Rules for expected values
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Of 400 couples, the education level (1=low, 2=medium, 3=high) of husband and wife was determined and shown in the cross table below.

    ———————- — ———————— —- —- Frequencies Education level of wife 1 2 3 Education level male 1 75 52 3 2 49 63 12 3 12 45 89 ———————- — ———————— —- —-

    If we randomly select a married couple from this sample, what is then the probability that both husband and wife are highly educated?


    1. FALSE: 0.095
    2. TRUE: 0.22
    3. FALSE: 0.4
    4. FALSE: 0.61

    1. 0.095: Incorrect
    2. 0.22: Correct
    3. 0.4: Incorrect
    4. 0.61: Incorrect