Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-elementary-probability-1166-en_uva-elementary-probability-1166-en
    nameuva-elementary-probability-1166-en
    sectionProbability/Elementary Probability
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    A ticket in a lottery has an expected profit of € 1.601 with a standard deviation of €3.040. Suppose you get four different lottery tickets receive, what is your expected total profit and its standard deviation thereof?


    1. FALSE: The expected total profit is €1.601 and the standard deviation is 3.040.
    2. TRUE: The expected total profit is €6.040 and the standard deviation is 6.080.
    3. FALSE: The expected total profit is €4 and the standard deviation is 6.080.
    4. FALSE: The expected total profit is €6.404 and the standard deviation is 12.16.

    1. The expected total profit is €1.601 and the standard deviation is 3.040.: Incorrect
    2. The expected total profit is € 6.040 and the standard deviation is 6.080…: Correct
    3. The expected total profit is €4 and the standard deviation is 6.080.: Incorrect Incorrect
    4. The expected total profit is €6.404 and the standard deviation is 12.16.: Incorrect Incorrect