Q 15 Suppose you are testing the null hypothesis, Ho: p1 = pp = PB =P4 =ps. Suppose you reject Ho. If the level of significance equals 5%, what step do you perform next? Select one: O a. Construct five Bonferroni confidence intervals with a = 0.01 O b. Perform Tukey's test. c. Construct five separate 95% confidence intervals. Did. There is not anything to do. Because you rejected Ho, all the proportions are equal. De. Construct five Bonferroni confidence intervals with a = 0.0195. Of Construct five Bonferroni confidence intervals with a = 0.05