For part (a) round the z value to 2 decimal places, and enter percentages in percent form (i.e. 3.00% instead of 0.03) rounded to 2 decimal places. (a) If the management's assumptions are correct, what percent of customers will spend $66 or less? Enter the z-value for your calculation here: -0.45 Enter the percent of customers that will spend $66 or less here: 32.67 For part (b) round the z value to 3 decimal places, and enter percentages in percent form (i.e. 3.00% instead of 0.03) rounded 2 decimal places. (b) If the management wants to give free gifts to at most 8% of the customers, what should the amount be above which a customer would receive a free gift? Enter the z-value for your calculation here: 0.84 X Enter the amount above which a customer would receive a free gift here: 119.75