Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-independent-events-729-en_uva-independent-events-729-en
    nameuva-independent-events-729-en
    sectionProbability/Elementary Probability/General Rules/Independent events
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3
    p-value0.311

    Question

    A and B are two events in a chance experiment. The following probabilities are given: P(A) = 0.30, P(B) = 0.40, P(A or B) = 0.58. Which of the following statements is correct?


    1. TRUE: A and B are independent.
    2. FALSE: A and B are dependent (i.e., not independent).
    3. FALSE: Based on the given probabilities, it cannot be concluded with certainty whether A and B are independent or not.

    1. A and B are independent..: Correct
    2. A and B are dependent (i.e.: not independent)…: Incorrect
    3. Based on the given probabilities, it cannot be concluded with certainty whether A and B are independent or not…: Incorrect