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    Probability mass function - Poisson

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    4. An article in Annals of Mathematical Statistics reports the following data on the number of borers in each of 120 groups of borers. Does the Poisson pmf provide a plausible model for the distribution of the number of borers in a group? (Hint: Add the frequencies for 7,8,..., 12 to establish a single category "> 7").

    No. of Borers 0 1 2 3 4 5 6 7 8 9 10 11 12
    Frequency 24 16 16 18 15 9 6 5 3 4 3 0 1.

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    Solution Summary

    The solution discusses the probability mass function using poisson.

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