Question 4 1 pts A statistician wants to estimate the proportion of students planning on attending college at Acme High School, a large suburban HS. Out of a random sample of 50 students, he finds that 30 are planning to go to college. The true proportion of students at the school that plan to attend college is 45% How would we verify the sample is large enough? O The fact that the population of the HS is large and therefore the population is greater than 10 times the sample size. O The fact that the sample size is greater than 30 O The fact that they used a random sample O The fact that np and n(1-p) are both greater than 10