Find the critical values chi squared Subscript 1 minus alpha divided by 2 χ21−α/2 and chi squared Subscript alpha divided by 2 χ2α/2 for a 99 99​% confidence level and a sample size of n equals = 20 20. chi squared Subscript 1 minus alpha divided by 2 χ21−α/2 equals = nothing ​(Round to three decimal places as​ needed.)