Determine the X2 percentile that is required to construct each of the following CI\'s: a) Confidence level= 95%, degrees of freedom= 24, one-sided (upper) b) Confidence level= 99%, degrees of freedom= 9, one-sided (lower) c) Confidence level= 90%, degrees of freedom= 19, two-sided Solution looking at the chi distribution table a) 36.415 b) 2.088 c) 11.651 and 27.204.