Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-rules-for-expected-values-1296-en_uva-rules-for-expected-values-1296-en
    nameuva-rules-for-expected-values-1296-en
    sectionProbability/Elementary Probability/Random variables/Rules for expected values
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.798
    p-value0.8164

    Question

    A committee of three students should be formed from six juniors and five seniors. If three names are drawn at random, what is the probability that the committee will consist of all juniors or all seniors?


    1. FALSE: 2/33
    2. FALSE: 4/33
    3. TRUE: 6/33
    4. FALSE: 1/3
    5. FALSE: 1/2

    1. 2/33: Incorrect
    2. 4/33: Incorrect
    3. 6/33: Correct
    4. 1/3: Incorrect
    5. 1/2: Incorrect