SCENARIO 1: I want to estimate the average score U.S. consumers 18+ in age have on a 'GMO or NO?' quiz. Possible score on this quiz is from 0 to 25. I want my level of confidence to match typical marketing research practice. I want my margin of error to be within +/- 2 points. 1. Sample Size Formula to Use: [ answer here ] 2. Confidence Interval set to [ answer here ]because [explain why it is the right choice for this scenario] . 3. Margin of Error set to [ answer here ]because [explain why it is the right choice for this scenario] . 4. Variance set to [ answer here ]because [explain why it is the right choice for this scenario] . 5. Optimal Sample Size for my study =[insert number here]