Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-conditional-probability-584-en_uva-conditional-probability-584-en
    nameuva-conditional-probability-584-en
    sectionProbability/Elementary Probability/Conditional probability
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    The following cross tabulation includes data from 120 individuals for two variables, with possible outcomes A, B, and C, I and II, respectively.

    —- —- —- —- A B C I 20 32 28 II 7 18 15 —- —- —- —-

    We randomly draw someone from the 120 people. For this person, P(B | II) is equal to


    1. FALSE: 0.4
    2. FALSE: 0.36
    3. FALSE: 0.15
    4. TRUE: 0.45

    1. 0.4: Incorrect
    2. 0.36: Incorrect
    3. 0.15: Incorrect
    4. 0.45: Correct