Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-elementary-probability-714-en_uva-elementary-probability-714-en
    nameuva-elementary-probability-714-en
    sectionProbability/Elementary Probability
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.974
    p-value0.7793

    Question

    A cabinet has three drawers. Drawer one contains two gold keys; drawer two one gold and one silver, while drawer three contains two silver keys. You randomly choose a drawer and then take from it a key at random. What is the probability that you will choose a gold key? choose?


    1. FALSE: 16\frac{1}{6}
    2. FALSE: 13\frac{1}{3}
    3. FALSE: 14\frac{1}{4}
    4. TRUE: 12\frac{1}{2}

    1. 16\frac{1}{6}: Incorrect
    2. 13\frac{1}{3}: Incorrect
    3. 14\frac{1}{4}: Incorrect
    4. 12\frac{1}{2}: Correct