In this way the Big Picture is a diagram that will help us organize and understand the material we will learn throughout the course. So we can give everyone the same opportunity to be in the sample, b...In this way the Big Picture is a diagram that will help us organize and understand the material we will learn throughout the course. So we can give everyone the same opportunity to be in the sample, but we will let chance select the sample. What are the chances that our sample reflects the opinions of the population within 3%? Probability describes the likelihood that our sample is this accurate.
