Use the given information to find the number of degrees of? freedom, the critical values chi...

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Use the given information to find the number of degrees of?freedom, the critical values chi Subscript Upper L Superscript 2and chi Subscript Upper R Superscript 2?, and the confidenceinterval estimate of sigma. It is reasonable to assume that asimple random sample has been selected from a population with anormal distribution. Nicotine in menthol cigarettes 80?%?confidence; n=27?, s=0.29 mg.

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Solution Given thats 029s2    See Answer
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