Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-addition-rule-879-en_uva-addition-rule-879-en
    nameuva-addition-rule-879-en
    sectionProbability/Elementary Probability/General Rules/Addition rule
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.971
    p-value0.7818

    Question

    Which of the following bets makes the most money in the long run?


    1. FALSE: 0.70 chance of 10 euro profit, 0.20 chance of 50 euro and 0.10 chance of 5 euro loss.
    2. FALSE: 0.70 chance of 5 euro profit, 0.20 chance of 100 euro and 0.10 chance of 100 euro loss.
    3. TRUE: 0.70 chance of 0 euros profit, 0.20 chance of 250 euros and 0.10 chance of 250 euros loss.

    1. 0.70 chance of 10 euro profit, 0.20 chance of 50 euro and 0.10 chance of 5 euro loss…: Incorrect
    2. 0.70 chance of 5 euro profit, 0.20 chance of 100 euro and 0.10 chance of 100 euro loss…: Incorrect
    3. 0.70 chance of 0 euro profit, 0.20 chance of 250 euro and 0.10 chance of 250 euro loss…: Correct