Our mathematics department wanted to find out how confident mathematics co-requisite students feel in their college-level course. So, they sent emails to 50 students requesting they complete a short survey about their experiences. In return for completing the survey, they will receive a $20 gift card. The results indicated that 73% of the students feel confident or very confident in their college level course. Question 8 options: What is the sample for this study? What is the population of this study? 1. all mathematics co-requisite students 2. $20 gift card 3. 50 of the co-requisite students