The table shows conversions of common units of capacity.
units of capacity
customary system metric system units
units
1 gallon
3.79 liters
1 quart
0.95 liters
1 pint
0.473 liters
1 cup
0.237 liters
approximately how many centiliters are in 3 quarts? round answer to the nearest unit.
29 centiliters
71 centiliters
285 centiliters
316 centiliters

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?