Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-confidenceintervals-008-en_vufgb-confidenceintervals-008-en
    namevufgb-confidenceintervals-008-en
    sectionInferential Statistics/Confidence Intervals
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    A randomly selected sample of 75 people filled out a survey in which they indicate if the toilets are at Dutch train stations are clean. 35% of the participants gave a positive answer, whereas the other 65% answered negatively. Calculate, based on this sample, the 95% confidence interval for the proportion of people who had a negative opinion.


    1. TRUE: (0.489, 0.711)
    2. FALSE: (0.507, 0.693)
    3. FALSE: (0.289, 0.511)
    4. FALSE: (0.307, 0.493)

    1. Correct
    2. Incorrect
    3. Incorrect
    4. Incorrect