Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-bayesian-statistics-967-en_uva-bayesian-statistics-967-en
    nameuva-bayesian-statistics-967-en
    sectionInferential Statistics/Bayesian Statistics
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.522
    p-value0.4667

    Question

    Last week Marja went to her family doctor for a medical examination. This morning her family doctor told her that the result was positive with respect to regarding the disease D. In 95% of the cases this test is accurate. In other words if someone has disease D it is detected in 95% of the cases it is detected with a positive result. And if someone does not disease, the result is also negative in 95% of cases. One out of 1000 women with the same age as Marja has this disease. disease. What then is the probability that Marja has the disease D, given that the test result is positive?


    1. FALSE: 0,001
    2. TRUE: 0,019
    3. FALSE: 0,051
    4. FALSE: 0,958

    1. 0.001: Incorrect
    2. 0,019: Correct
    3. 0.051: Incorrect
    4. 0.958: Incorrect