Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-events-672-en_uva-events-672-en
    nameuva-events-672-en
    sectionProbability/Elementary Probability/Events
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty-3.468
    p-value0.9825

    Question

    Suppose John and you are participating in a game show. There are four doors. Behind one of the doors is a car; behind the other three are bicycles. Your friend John, opens door #1, with a bicycle behind it. What is the probability of encountering the car when opening one of the remaining doors?


    1. FALSE: 25%
    2. TRUE: 33%
    3. FALSE: 50%
    4. FALSE: 100%

    1. 25%: Incorrect
    2. 33%: Correct
    3. 50%: Incorrect
    4. 100%: Incorrect