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Math Help - Poisson Distribution

  1. #1
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    Poisson Distribution

    If 90% of students are right handed, use the Poisson distribution to estimate the probability that a sample of 80 students has 5 or more right-handed students.
    Please help with this problem!
    Last edited by Johny_Junior; May 9th 2007 at 08:55 PM.
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  2. #2
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    Quote Originally Posted by Johny_Junior View Post
    If 90% of students are right handed, use the Poisson distribution to estimate the probability that a sample of 80 students has 5 or more right-handed students.
    Please help with this problem!
    Calculate the mean number of right-handed students in the sample. Then use the Poisson distribution with that mean to calculate the estimated probability.
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    Thanks for your help...but it still doesn't make much sense to me...
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  4. #4
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    Quote Originally Posted by Johny_Junior View Post
    If 90% of students are right handed, use the Poisson distribution to estimate the probability that a sample of 80 students has 5 or more right-handed students.
    Please help with this problem!
    Quote Originally Posted by JakeD View Post
    Calculate the mean number of right-handed students in the sample. Then use the Poisson distribution with that mean to calculate the estimated probability.
    Quote Originally Posted by Johny_Junior View Post
    Thanks for your help...but it still doesn't make much sense to me...
    Where are you stuck?
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