The Student Union President conducted a survey to estimate the proportion of first year students who participated in the social activities organized by the Student Union. Which of the following surveying options does NOT affect the president s ability to generalize the survey to all first year students. O All of the other options present a problem for generalizing the results. 0 The freshmen class consists of 3000 students. A random sample of only 300 were sent a survey. Only 150 responded. O The president polled all students coming out of the Student Union on a given Monday. O The survey was sent only to first year students enrolled in statistics courses because all students need to satisfy a statistics general education requirement. 0 The president put the survey on the Student Union webpage a Monday and collected the responses at the end of the week