College students often make up a substantial portion of the population of college cities and towns. State College, Pennsylvania, ranks first with 71.1% of its population made up of college students. What is the probability that in a random sample of 150 people from State College, more than 50 are not college students?
Answer to relevant QuestionsWomen comprise 80.3% of all elementary school teachers. In a random sample of 300 elementary teachers, what is the probability that less than three-fourths are women? Use the normal approximation to the binomial to find the probabilities for the specific value(s) of X. a. n = 30, p = 0.5, X = 18 b. n = 50, p = 0.8, X = 44 c. n = 100, p = 0.1, X = 12 d. n = 10, p = 0.5, X ≤ 7 e. n ...The percentage of female Americans 25 years old and older who have completed 4 years of college or more is 26.1. In a random sample of 200 American women who are at least 25, what is the probability that at most 50 have ...In a large university, 30% of the incoming first-year students elect to enroll in a personal finance course offered by the university. Find the probability that of 800 randomly selected incoming first-year students, at least ...What is the difference between a point estimate and an interval estimate of a parameter? Which is better? Why?
Post your question