Answer this pls

10 Linton We take random samples of students from each of four courses (Statistics, Calculus, Biology and Physics) and we record how many students in each course got each of the letter grades (A+, A, B+, B, C+, C, D and F). We conduct a chi-square test for homogeneity at the 5% level of significance to compare the grade distributions in the four courses. What is the critical value for the appropriate test of significance? 29.62 35.48 41.34 36.42 32.67