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Thread: Probability Question

  1. #1
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    Probability Question

    Hi Everyone,

    I'm looking to calculate the probability of the time taken for a specific event.

    I have:

    The best case scenario which normally takes 30 seconds and happens 90% of the time.

    The worst case scenario which normally takes 3 hours and happen the remaining 10% of the time.

    What would the calculation be to calculate the average time for these?

    Thanks in advance!

  2. #2
    Points: 1,888, Level: 25
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    New Zealand
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    Re: Probability Question

    Find the total time for 90 cases at 30 s and 10 cases at 3 hrs. Then average over the 100 cases.

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