Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-expected-value-194-en_uva-expected-value-194-en
    nameuva-expected-value-194-en
    sectionProbability/Elementary Probability/Random variables/Expected value
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.522
    p-value0.4662

    Question

    It is tested whether a coin is pure (H0: probability of cross above is 0.5) against the alternative that it is not (Ha: probability of cross above is greater than 0.5). The coin is tossed 50 times and cross comes up 30 times. The P-value associated with this result is equal to


    1. TRUE: 0.08
    2. FALSE: 0.16
    3. FALSE: 0.5

    1. 0.08: Correct
    2. 0.16: Incorrect
    3. 0.5: Incorrect