Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-elementary-probability-1027-en_uva-elementary-probability-1027-en
    nameuva-elementary-probability-1027-en
    sectionProbability/Elementary Probability
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Take one chip from a closed box that contains 20 chips. The chips are numbered from 1 to 20. A is the event that the number on the randomly selected chip is divisible by 3 or by 4. How large is the probability of event A?


    1. FALSE: 1/20
    2. FALSE: 1/10
    3. TRUE: 1/2
    4. FALSE: 11/20

    1. 1/20: Incorrect
    2. 1/10: Incorrect
    3. 1/2: Correct
    4. 11/20: Incorrect