Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-conditional-probability-605-en_uva-conditional-probability-605-en
    nameuva-conditional-probability-605-en
    sectionProbability/Elementary Probability/Conditional probability
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    The following cross tabulation includes data from 150 individuals for two variables A and B.

    ——- ——- ——- ——- A = 1 A = 2 A = 3 B = 1 19 50 13 B = 2 18 32 18 ——- ——- ——- ——-

    We randomly draw someone from among the 150 people. For this person, P(A = 1|A = 2) is equal to


    1. TRUE: 0
    2. FALSE: 0.56
    3. FALSE: 0.38
    4. FALSE: 0.79

    1. 0: Correct
    2. 0.56: Incorrect
    3. 0.38: Incorrect
    4. 0.79: Incorrect