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Thread: Need to determine the probability

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    Need to determine the probability




    In a call center 180 calls are received at random over a period of 12 hours. Then the probability to receive calls between 180 to 200 every 12 hours is? What distribution is this?

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    Re: Need to determine the probability


    A heavyweight will be along soon but in the meantime my guess is
    http://www.google.com/search?q=poiss...70.LooOJTMX1II
    and
    http://www.google.com/search?q=poiss...60.mZRprB2p4oo

    Quote Originally Posted by earnestat View Post
    In a call center 180 calls are
    a period of 12 hours.
    Then the probability. . .is?
    What distribution is this?
    Also, you might write:
    -I've already tried 'aaa' but I don't think it's right because of 'bbb'.
    -Here's a link where the authors state that the use of the 'ccc' distribution is controversial; how do I resolve this?
    -I understand the formula but the numbers don't work, here's my trial answer-'ddd'
    -If I need more practice in the basics, what do y'all recommend?
    -How might I see this in action the next time I'm waiting for calls from hundreds of dissatisfied customers? How would I correct for my small sample size?
    -How can I do a small scale version of this on Excel?
    -Of the many statistical fallacies to watch out, which ones are relevant to this problem, if any?

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