Exam 1

  1. Metainformation

    Tag Value
    fileDistributions_uva-normal-476-en_uva-normal-476-en
    nameuva-normal-476-en
    sectionDistributions/Continuous/Normal
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty1.619
    p-value0.852

    Question

    A passenger elevator has room for 4 people. The maximum load is 360 kilograms. Suppose the weights in a certain population are are normally distributed according to N(80, 10²). What is the probability that a random person from this population is heavier than 90 kilograms?


    1. FALSE: 0.0398
    2. TRUE: 0.1587
    3. FALSE: 0.3413
    4. FALSE: 0.6587

    1. 0.0398: Incorrect
    2. 0.1587: Correct
    3. 0.3413: Incorrect
    4. 0.6587: Incorrect