#2 please. show all work

There is a well-known bakery in the town, named Paris Bakery. 1. At the bakery, it takes 120 seconds to assemble one sandwich through 20 activities. If 30 customers arrive at the bakery every hour on average, what is the Target Manpower the bakery need to meet the customer demand. (15 Points) 2. The weight of one dough batch must be 3.6 lbs. to make constant size of biscuits. The batch has a low specification limit of 3.5 lbs. and upper specification limit of 3.7 lbs. The standard deviation is 0.1 lbs. Owner wants to reduce its defect probability 0.000318217(318.217 PPM). To what level would they have to reduce the standard deviation in the process to meet this target (you can use Excel spreadsheet or Table 9.1 in Textbook)? (15 Points)