The contingency table shows the results of a random sample of patients with pain from musculoskeletal injuries treated with acetaminophen or ibuprofen. At alphaequals0.05, can you conclude that the treatment is related to the result? Complete parts (a) through (e). Result Acetominophen Ibuprofen Significant improvement 59 80 Slight improvement 40 21 Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. d.f.equals 1 (Type a whole number.) Part 4 Find the critical value. chi Subscript 0 Superscript 2equals 3.84 (Round to two decimal places as needed.) Part 5 Which region below is the correct rejection region? A.chi squared greater than chi Subscript 0 Superscript 2 chi squaredgreater thanchi Subscript 0 Superscript 2 B.minus chi Subscript 0 Superscript 2 less than or equals chi squared less than or equals chi Subscript 0 Superscript 2 minuschi Subscript 0 Superscript 2less than or equalschi squaredless than or equalschi Subscript 0 Superscript 2 C. chi squaredless than or equalsminuschi Subscript 0 Superscript 2 or chi squaredgreater than or equalschi Subscript 0 Superscript 2 D.chi squared less than chi Subscript 0 Superscript 2 chi squaredless thanchi Subscript 0 Superscript 2