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Math Help - Forecasting / Prediction

  1. #1
    djo
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    Forecasting / Prediction

    Hoping you can
    help..I'm trying to establish formula to use in some predictive analsyis I'm
    doing.

    If I need to answer 100 calls and 3 teams that answer them

    Team 1 - takes 195 seconds per call
    Team 2 - takes 205 seconds per call
    Team 3 - takes 215 seconds per call

    How many calls can I expect each team to answer and what what
    the combined time of all 3 team be

    Hopefully someone with better knowledge can help me out
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  2. #2
    MHF Contributor

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    Re: Forecasting / Prediction

    I doubt there is any "formula" established for this but here is what I would do:

    Suppose the total time available to take calls is T seconds. Since team 1 take 195 seconds per call, team 1 can answer T/195 calls. Since team 2 takes 205 seconds per call, team 2 can answer T/205 calls. Since team 3 takes 215 seconds per call, team 3 can answer T/215 calls.
    That would be a total of T/195+ T/205+ T/215 calls. If you like those fractions can be added as ((205)(215)T+ (195)(215)T+ (195)(205)T)/(195+ 205+ 215)= [((205)(215)+ (195)(215)+ (195)(205))/(195+ 205+ 215)]T calls. Set that equal to 100 and solve for T. Once you have that T/195, T/205, and T/215 give the number of calls each team handled.
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  3. #3
    djo
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    Re: Forecasting / Prediction

    Great stuff..thanks for your help I'll try it out
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