Exam 1

  1. Metainformation

    Tag Value
    fileProbability_vufsw-expectedvalue-1098-nl_vufsw-expectedvalue-1098-nl
    namevufsw-expectedvalue-1098-nl
    sectionprobability/elementary probability/random variables/expected value
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE, FALSE, FALSE
    Typeperforming analysis
    Programcalculator
    LanguageDutch
    Levelstatistical literacy

    Question

    Hieronder vind je een kansverdeling.

    Wat is de verwachte waarde E(y) van deze verdeling?


    1. FALSE: 0.60
    2. TRUE: 1.12
    3. FALSE: 2.20
    4. FALSE: 0.40
    5. FALSE: 2.00
    6. FALSE: 0.25

    Solution

    (1)(0.26) + (2)(0.21) + (3)(0.08) + (4)(0.05) = 0 + 0.26 + 0.42 + 0.24 + 0.2 = 1.12


    1. Onjuist
    2. Waar
    3. Onwaar
    4. Onwaar
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    6. Onwaar