Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-independent-events-742-en_uva-independent-events-742-en
    nameuva-independent-events-742-en
    sectionProbability/Elementary Probability/General Rules/Independent events
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.617
    p-value0.4482

    Question

    Which of the following situations shows two independent stochastic variables?


    1. FALSE: X is the number of solar hours yesterday at location A and Y is the number of solar hours at location B; both locations are right next to each other.
    2. TRUE: X is the number of solar hours in Nijmegen this year and Y is the number of solar hours 50 years ago in Nijmegen.
    3. FALSE: X is the rainfall in centimeters today in Amsterdam and Y is the rainfall in centimeters tomorrow in Amsterdam.
    4. FALSE: X is the rainfall in centimeters today in The Hague and Y is the rainfall in centimeters today in the schilderswijk.

    1. X is the number of solar hours yesterday at location A and Y is the number of solar hours at location B; both locations are right next to each other.:Incorrect
    2. X is the number of solar hours in Nijmegen this year and Y is the number of solar hours 50 years ago in Nijmegen.: Correct
    3. X is the rainfall in centimeters today in Amsterdam and Y is the rainfall in centimeters tomorrow in Amsterdam: Incorrect
    4. X is the rainfall in centimeters today in The Hague and Y is the rainfall in centimeters today in the schilderswijk…: Incorrect