i was wondering if i can get some guidance on how to do this problem

5. At a=0.01, test the claim that test scores from Midterm 1 shown in the frequency distribution below are normally distributed. The mean test score was 72.2%. Bin 41%-50% 51%-60% 61%-70% 71%-80% 81%-90% 91%-100% Frequency 10 11 31 38 31 5 6. The contingency table below shows the party and opinions on a bill of a random sample of 200 state representatives. Political Party Approve Disapprove No Opinion Republican 42 20 14 Democrat 50 24 18 Independent 10 16 6 Test the claim that opinions on the bill are dependent on party affiliation. Use a = 0.05