The average number of customers per day at a home improvement store is given in the following table. The sine regression equation was found to be y = 33.690sin(0.887x + 1.337) + 81.684, where x represents the day where 1 = Sun of the first week, 7 = Sat of the first week, 8 = Sun of the second week, and 14 = Sat of the second week. Use this model to predict the average number of customers on Thursday. Round to the nearest customer. Day Sun Mon Tue Wed Thu Fri Sat Number of Customers 114 75 60 51 86 118 a. 72 b. 65 c. 70 d. 64