True/False 1. A postal service that loses two boxes per billion deliveries on average is operating at a six-sigma level. Select 2. The BA270 definition of specification limits implies that a black belt quality engineer in a firm defines the specification limits for a product manufactured by the form. Select] 3. With reference to SPC: Control charts can be used to detect assignable/special cause variations. Select) True/False 1. A postal service that loses two boxes per billion deliveries on average is operating at a six-sigma level. Select 2. The BA270 definition of specification limits implies that a black belt quality engineer in a firm defines the specification limits for a product manufactured by the firm. Select) 3. With reference to SPC: Control charts can be used to detect assignable/special cause variations. Select 4. Firms focused on providing a good quality service should strive for their service control limits to be within their service specification limits. Select) 5. If product or service capacity is more than expected demand, then, from a quality perspective, we say that the manufacturing or service process is capable. Select) 6. If a process is not capable initially, then a quality engineer is likely to achieve an acceptable Cp before achieving an acceptable Cpk for the said process. Select