Find the critical values X2L and X2R that correspond to the given confidence level and sample…

Find the critical values X2L and X2R that correspond to the
given confidence level and sample size: 99%; n = 28 This involves
using chi-square, critical vaules and area. I will need the full
answer and the answer must be correct for my quiz for full points
to be awared please and thank you in advance. I am happy to provide
additional information if this isn’t clear. 🙂
My numbers just need to be changed to n=18 and 98%