as a cure to the epidemic that spread in the whole country, the Department of Health (DOH) released a new drug that is subject for experimentation, supposed that c(t)=2t/t+2 (in mg/ml) represents the concentration of a drug in a patiets blood stream in t hours, how concentrated is the drug after 2 hours of asministration?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

Select all of the following expressions that are equal to 2.5.