What does it mean to say there is an association between characteristics in a two-way frequency table?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

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%