c Two standard normal curves are shown below one for the confidence interval calculated in part a and one for the significance test conducted in part b 1 For the confidence interval curve label the critical values for the 95 confidence level and shade the area that represents values in the outer 5 ii For the significance test curve label the critical value for the 5 significance level and shade the area representing the values of z that would lead to a rejection of the null hypothesis in part b Confidence Interval Hypothesis Test