Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-addition-rule-881-en_uva-addition-rule-881-en
    nameuva-addition-rule-881-en
    sectionProbability/Elementary Probability/General Rules/Addition rule
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty-0.459
    p-value0.9386

    Question

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


    1. TRUE: 0.80 chance of 10 euro profit, 0.00 chance of 50 euro and 0.20 chance of 5 euro loss.
    2. FALSE: 0.80 chance of 5 euro profit, 0.00 chance of 100 euro and 0.20 chance of 100 euro loss.
    3. FALSE: 0.80 chance of 0 euro profit, 0.00 chance of 250 euro and 0.20 chance of 250 euro loss.

    1. 0.80 chance of 10 euro profit, 0.00 chance of 50 euro and 0.20 chance of 5 euro loss…: Correct
    2. 0.80 chance of 5 euro profit, 0.00 chance of 100 euro and 0.20 chance of 100 euro loss…: Incorrect
    3. 0.80 chance of 0 euro profit, 0.00 chance of 250 euro and 0.20 chance of 250 euro loss…: Incorrect