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Thread: Poisson Distribution

  1. #1
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    Poisson Distribution

    I am uncertain of what the rate and standard deviation are for this problem:
    A certain young lady is quite popular with her male classmates. She receives, on average, four phone calls a night. What is the probability that tomorrow night the number of calls she receives will exceed her average by more than one standard deviation?
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  2. #2
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    Re: Poisson Distribution

    you need to read up on the Poisson distribution.

    This is about as straight forward a question as can be asked and you really shouldn't have any trouble with it.
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