Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-events-999-en_uva-events-999-en
    nameuva-events-999-en
    sectionProbability/Elementary Probability/Events
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.029
    p-value0.2935

    Question

    Roll a pure die once. We define the events A and B as follows:______________.
    * A: the number of eyes is greater than 4,‖. * B: the number of eyes is divisible by three.  What then is the union of A and B, or AB?


    1. FALSE: A ∪ B = {6}
    2. FALSE: A ∪ B = {5,6}
    3. TRUE: A ∪ B = {3,5,6}
    4. FALSE: A ∪ B = {1,2,3,4,5,6}

    1. A ∪ B = {6}: Incorrect
    2. A ∪ B = {5,6}: Incorrect
    3. A ∪ B = {3,5,6}: Correct
    4. A ∪ B = {1,2,3,4,5,6}: Incorrect