1. Duane is interested in whether students at his college would like to see a portion of the campus preserved as green space. Using student numbers, he randomly contacts 300 students and receives a response from 75. Of those who responded, 64% favored the preservation of green space on campus. a. Identify the population. b. Identify the sample. c. Identify the variable. d. Identify the parameter of interest. e. Identify the statistic. Use the correct symbol. f. What specific type(s) of bias are a concern for this survey method? Explain