Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-multiplication-rule-936-en_uva-multiplication-rule-936-en
    nameuva-multiplication-rule-936-en
    sectionProbability/Elementary Probability/General Rules/Multiplication rule
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    In 1998, a survey of American adolescents 18 published. 22.8% of the boys and 5.2% of the girls went to the casino at least gone to the casino at least once a week in the past year. Overall, the population in the USA consists of 50.9% boys and 49.1% girls. Do we define:‖  Event A = the chosen person is a boy. Event B = the chosen person is a weekly gambler.â  Then what is the probability of randomly choosing someone who is a boy and also gambled weekly in the past year?


    1. TRUE: 0,116
    2. FALSE: 0,228
    3. FALSE: 0,281
    4. FALSE: 0,026

    1. 0.116: Correct
    2. 0.228: Incorrect
    3. 0.281: Incorrect
    4. 0.026: Incorrect