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    Probability : Chi-Square Distributions

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    Suppose that X has a X^2-distribution with 6 degrees of freedom.

    a) What is the probability that an observation of X will exceed 6?
    b) If 10 observations of X are made, so as to be independent, what is the probability that two or more of the observations will exceed 6?

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    Solution Summary

    A chi-squared distribution is analyzed. The solution is detailed and well presented.