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Use the given information to find the number of degrees of freedom, the critical values chi...
Use the given information to find the number of degrees of freedom, the critical values chi Subscript Upper L Superscript 2 and chi Subscript Upper R Superscript 2, and the confidence interval estimate of sigma. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 99% confidence; n = 29, s = 0.29 mg.
df = ?
(Type a whole number.)
2χ2L = ?
(Round to three decimal places as needed.)
2χ2R = ?
(Round to three decimal places as needed.)
The confidence interval estimate of sigmaσ is nothing mgless than<sigmaσless than<nothing mg.
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