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10 December, 21:22

If he feels the chances of low, normal, and high precipitation are 30 percent, 20 percent, and 50 percent respectively, What is EVPI (Expected value of Perfect Information) ?

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  1. 10 December, 21:40
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    Question:

    The operations manager for a well-drilling company must recommend whether to build a new facility, expand his existing one, or do nothing. He estimates that long-run profits (in $000) will vary with the amount of precipitation (rainfall) as follows:

    Alternative Precipitation

    Low Normal High

    Do nothing - 100 100 300

    Expand 350 500 200

    Build new 750 300 0

    If he feels the chances of low, normal, and high precipitation are 30 percent, 20 percent, and 50 percent respectively, What is EVPI (Expected value of Perfect Information) ?

    A. $140,000

    B. $170,000

    C. $285,000

    D. $305,000

    E. $475,000

    Answer:

    D. $170,000

    Explanation:

    The expected long run profits are for

    Low Normal High

    Do nothing - 100*0.3 100*0.2 300*0.5 = 140

    Expand 350*0.3 500*0.2 200*0.5 = 305

    Build new 750*0.3 300*0.2 0*0.5 = 285

    Therefore the expected long run profits are

    $140,000

    $305,000

    $285,000

    Based on his selected option being either to build new or to expand, the most profitable option is to expand

    =$305,000

    EVPI = EPPI-EMV = $170,000
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