75a + 25b = ___a+b)
A 25 (3a +b)
B 3 (25a +b)
C 25( a + b)
D 3(25ab)

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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%