The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries treated with acetaminophen or ibuprofen. At a = 0.01, can you conclude that the treatment is related to the result? Complete parts (a) through (e) below. Treatment Result Acetaminophen Ibuprofen Ignlflcant 59 80 Improvement 9'9\" 43 20 Improvement (a) Identify the claim and state HO and Ha. Ho: V Ha: V Which hypothesis is the claim? Null hypothesis Alternative hypothesis (b) Determine the degrees of freedom, nd the critical value, and identify the rejection region. Calculate the degrees of freedom d.f. = (Type a whole number.) Find the critical value 2 _ X0 ' (Round to three decimal places as needed.) Which region below is the correct rejection region? A. x2 >x B. x2