Does the construction demonstrate how to bisect a segment correctly by hand?
Yes; the compass was kept at the same width to create the arcs for points C and D.
Yes; a straightedge was used to create segment CD.
No; the compass was not kept at the same width to create the arcs for points C and D.
No; a straightedge was used to create segment CD.

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?