Use the given information to find the number degrees of freedom, the critical values x? and xổ, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n= 23 , s= 0.25 mg. E Click the icon to view the table of Chi-Square critical values. df =(Type a whole number.) x? =(Round to three decimal places as needed.) y2 = (Round to three decimal places as needed.) The confidence interval estimate of a is mg

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