Question: 43. If X is a chi-square random variable with 6 degrees of freedom, find (a) P{X 6}; (b) P{3 X 9}.

43. If X is a chi-square random variable with 6 degrees of freedom, find

(a) P{X ≤ 6};

(b) P{3 ≤ X ≤ 9}.

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