1. A political scientist surveys 31 of the current 81 representatives in a state's legislature. What is the size of the sample: What is the size of the population:

2. The city of Raleigh has 6500 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 600 randomly selected registered voters was conducted. 350 said they'd vote for Brown, 217 said they'd vote for Feliz, and 33 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. This sample statistic suggests that we might expect of the 6500 registered voters to vote for Brown.

3. The city of Raleigh has 6100 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 300 randomly selected registered voters was conducted. 117 said they'd vote for Brown, 163 said they'd vote for Feliz, and 20 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. This sample statistic suggests that we might expect of the 6100 registered

4. You want to estimate how many fish there are in a pond. Suppose you cature 280 fish, tag them, and throw them back into the pond. After a couple of days, you go back to the pond and capture 560 fish, of which 28 are tagged. An estimate for the number of fish in the pond is fish

5. The city of Raleigh has 8200 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 200 randomly selected registered voters was conducted. 72 said they'd vote for Brown, 113 said they'd vote for Feliz, and 15 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a decimal rounded to 3 decimal places. This sample statistic suggests that we might expect of the 8200 registered voters to vote for Brown.