Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-elementary-probability-1165-en_uva-elementary-probability-1165-en
    nameuva-elementary-probability-1165-en
    sectionProbability/Elementary Probability
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    A ticket in a lottery has an expected profit of €0.6014 with a standard deviation of €4.040. Suppose you get three different lottery tickets receive, what is your expected total profit and its standard deviation thereof?


    1. FALSE: The expected total profit is €0.6014 and the standard deviation is 4.040.
    2. TRUE: The expected total profit is €1.804 and the standard deviation is 6.997.
    3. FALSE: The expected total profit is €3 and the standard deviation is 6.997.
    4. FALSE: The expected total profit is €1.804 and the standard deviation is 12.120.

    1. The expected total profit is €0.6014 and the standard deviation is 4.040.: Incorrect
    2. The expected total profit is € 1.804 and the standard deviation is 6.997…: Correct
    3. The expected total profit is € 3 and the standard deviation is 6.997…: Incorrect
    4. The expected total profit is €1.804 and the standard deviation is 12.120.: Incorrect Incorrect