Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-probability-190-en_uva-probability-190-en
    nameuva-probability-190-en
    sectionProbability
    typeschoice
    solutionFALSE, TRUE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    From a vase containing 1000 marbles of which 80% are red and 20% are blue, a sample of five marbles is randomly drawn a sample of five marbles. How large is the probability that that sample will contain exactly 3 red marbles?


    1. FALSE: 0.02
    2. TRUE: 0.20
    3. FALSE: 0.51

    1. 0.02: Incorrect
    2. 0.20: Correct
    3. 0.51: Incorrect