What is the probability that a rsndon sample of n = 49 oil changes resilts in a sample mean time less than 10 minutes?

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

What are the costs and benefits of leaving home after high school?

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as