A university considers switching from the quarter system to a semester system. The administration conducts a survey of a random sample of 400 students and finds that 240 of them prefer to remain with current system. They want to know if the survey provides convincing evidence that more than half of all students prefer to remain.

a)Would this be a one-or two-sided test?

b)Choose the right test and report the p value?

c)What conclusions do you make to the university?