Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-confidence-level-779-en_uva-confidence-level-779-en
    nameuva-confidence-level-779-en
    sectionInferential Statistics/Confidence Intervals/Confidence level
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.618
    p-value0.1831

    Question

    A die is rolled 125 times. A six comes up 25 times. What is the 95% confidence interval for the probability p that this die is thrown a six?


    1. TRUE: 0.20 ± 0.07.
    2. FALSE: 0.20 ± 0.16.
    3. FALSE: 0.20 ± 0.35

    1. 0.20 ± 0.07.: Correct
    2. 0.20 ± 0.16.: Incorrect
    3. 0.20 ± 0.35: Incorrect