Do people who work for$$ non$-$profit organizations differ from those who work at$$ for$-$profit companies when it comes to personal job$$ satisfaction? Separate random samples were collected by a polling agency to investigate the difference. Data collected from employees at$$ non$-$profit organizations revealed that of them were$$ "highly satisfied." From the$$ for$-$profit companies, out of employees reported the same level of satisfaction. If this information is to be used to make inferences about all people who work at$$ non$-$profits and$$ for$-$profit companies, what conditions must be met before$$ proceeding? List them and explain if they are met.