Takmila wants to know how difficult it is to reach an employee of Rutgers Registrar’s Office during 12-1pm. She has no idea about the proportion of calls to the RRO that were reached by the caller (proportion is unknown). With 95% level of confidence and 3% error (E), how many calls she should include in order to get answer to her question?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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%

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?