Comparing the computed chi square with the critical value

Question

Question: Based on comparing the computed chi square with the critical value for chi square which if the following is (are) true

a) There is statistically significant difference in the proportions of women delivering preterm among the three treatment groups.

b) There is not statistically significant difference in the proportions of women delivering preterm among the three treatment groups.

C) The proportions are statistically the same.

d) A & C

Preterm Delivery      Experimental Drug       Standard Drug           Placebo

        Yes                           17                                23                          35

         No                            83                                77                          65