A small company is interested in determining how many of its…

A small company is interested in determining how many of its employees are still paying off student loans. However, the company doesn’t want to allocate the resources required to survey every single employee. So they decide to randomly sample 2 individuals from each department using a simple random sample approach. There are a total of 6 individuals that work in the human resources department. How many possible distinct combinations of 2 individuals could be selected from the human resources department?

According to voter registration data in California from the…

According to voter registration data in California from the November 2018 election, the state has a demographic makeup of 43.5% Democrat, 24% Republican, 5% Other, and 27.5% with no political party affiliation. You are tasked with taking a stratified random sample of 1800 from this population.  How many democrats would be included in your sample?