When planning a study from which you will calculate a confidence interval, your goal should be to have a confidence interval that has: a) a low confidence level and a low margin of error. b) a low confidence level and a high margin of error. c) a high confidence level and a high margin of error. d) a high confidence level and a low margin of error. 2. Significance level is equal to: a) b) c) 1- d) 1