A polling firm would like to estimate the proportion of registered Fort Collins voters who plan to vote in the upcoming city elections. Using voter registration records, they randomly sample 300 names and mail surveys to the selected voters' home addresses. Of the surveys they mail out, they receive 68 back. The survey has one question that reads as follows: "Which of the following describes how likely you are to vote next year in next year's mid-term elections: Definitely not voting, not likely to vote, likely to vote, or definitely voting?" For each question below, fill in the blank using the best answer from the pull-down menu. You have two attempts per question. The group of all registered voters in Fort Collins is the of interest. The survey respondent's answer to the italicized question above is the of interest. Suppose we calculate the proportion of voters from our sample who say they are definitely voting. This proportion is an example of a/an. Suppose we are interested in estimating the proportion of voters in Fort Collins who will definitely be voting. This proportion is an example of a/an: Each individual person in our sample is considered to be a/an: If the people who returned the surveys did so for a reason that is related to their likelihood of voting, then there might be in our sample. When we use the results of our sample to make a claim about all voters in Fort Collins, we are engaging in statistical