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Math Help - problem in negative negative exponential distribution

  1. #1
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    problem in negative negative exponential distribution

    Hi I have problem in below mention question can any body help me how I can solve

    Ships arrive at a port at a rate of one in every 3 hours, with a negative exponential distribution of inter arrival times. The time a ship occupies a berth for unloading and loading has a negative exponential distribution with an average of 12 hours. If the average delay of ships waiting for berths is to be kept below 6 hours, how many berths should there be at the port
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  2. #2
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    Re: problem in negative negative exponential distribution

    Quote Originally Posted by yog782004 View Post
    Hi I have problem in below mention question can any body help me how I can solve

    Ships arrive at a port at a rate of one in every 3 hours, with a negative exponential distribution of inter arrival times. The time a ship occupies a berth for unloading and loading has a negative exponential distribution with an average of 12 hours. If the average delay of ships waiting for berths is to be kept below 6 hours, how many berths should there be at the port
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    Re: problem in negative negative exponential distribution

    I had gone on that link after, that itself I realized its not properly given and I am not able to understand it, so, I posted this thread about the question hoping to get correct answer
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