Exam 1

  1. Metainformation

    Tag Value
    fileProbability_vufsw-conditional_probability-1263-en_vufsw-conditional_probability-1263-en
    namevufsw-conditional probability-1263-en
    sectionprobability/elementary probability/conditional probability
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    Typecalculation
    Programcalculator
    LanguageEnglish
    Levelstatistical literacy

    Question

    During an election poll in America, 146 people were randomly selected and it was noted with which party they felt most connected. The following crosstab gives the results.


    		 Democrats Republicans Other
    		 Total
    Men 22 22 28 72
    Women 24 28 22 74
    Total 46 50 50 146

    Find the conditional distribution of political preference among women.


    1. TRUE: Democrats: 32.4%, Republicans: 37.8%, Other: 29.7%.
    2. FALSE: Democrats: 31.5%, Republicans: 34.2%, Other: 34.2%.
    3. FALSE: Democrats: 52.2%, Republicans: 56.0%, Other: 44.0%.
    4. FALSE: Democrats: 16.4%, Republicans: 44.0%, Other: 56.0%.

    Solution

    Democraten: 32.4%, Republikeinen: 37.8%, Anders: 29.7%.

    Calculated by 24/74 and 28/74 and 22/74


    1. True
    2. False
    3. False
    4. False