Treatment Result The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries Acetaminophen Ibuprofen treated with acetaminophen or ibuprofen. At a = 0.01, can you conclude that the treatment is related to the result? Significant Complete parts (a) through (e) below. improvement Slight improvement Which hypothesis is the claim? Alternative hypothesis Null hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom . d.f. = 1 (Type a whole number.) Find the critical value. Xz = 6.635 (Round to three decimal places as needed.) Which region below is the correct rejection region? Xx's-xgorx zx8 B. X XO