Use the given information to find the number of degrees of freedom, the critical values L2 and R2, and the confidence interval estimate of . It is reascnable to assume that a simple random sample has been selecled from a population with a normal distribution Nicoline in menthol ciqarettes 99% confidence; n=30,s=0.27mg Cllck the icon to view the table of Chi-Square critical values df= (Type a whole number) xL2= (Round to three decimal places as needed) xR2= (Round to three decimal places as needed) The confldence interval estimate of o is mg