A professor wants to determine whether her department shouldkeep the requirement of college algebra as a prerequisite for anIntroductory Statistics course. Accordingly, she allows somestudents to register for the course on a pass-fail basis regardlessof whether or not they have had the prerequisite. At the end of thesemester, the professor compares the number of students passing orfailing the class with whether or not they had algebra. Of the 70students in the class, 30 out of 45 who have had algebra and 5 outof 25 who have not passed the course. Are students more likely topass the course if they have taken college algebra?
