Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-conditional-probability-565-en_uva-conditional-probability-565-en
    nameuva-conditional-probability-565-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 100 individuals for two variables A and B. We randomly draw someone from among the 100 individuals.

    ——- ——- ——- ——- A = 1 A = 2 A = 3 B = 1 19 20 23 B = 2 18 2 18 ——- ——- ——- ——-

    For this person, P(B = 1 | A = 2) is equal to


    1. FALSE: 0.09
    2. FALSE: 0.2
    3. FALSE: 0.54
    4. TRUE: 0.91

    1. 0.09: Incorrect
    2. 0.2: Incorrect
    3. 0.54: Incorrect
    4. 0.91: Correct