1. What is indicated byt the control limit? A the likelihood of a type 1 error B the likelihood of a type 2 error C whether or not the process is out of control D the amount of allowable variation specified in a products design.
2. Create an introductory paragraph on the Ambulance industry as a whole along with its business aspect.
3. Please have a detail introduction of USPS, talk about how the history and how of USPS start from the 1639 where it first start at Boston. And the purpose of UPSP formed.