During the 20122013 academic year the 8 of the students at t

During the 2012-2013 academic year the 8% of the students at the UO spent at least one term
studying abroad. The exchange office thinks this number is on the rise. They asked a simple
random sample of 650 students whether they planned to study abroad during the 2016-2017
academic year. 60 of those students said yes.
(a) Consider the question: Is the percent of students studying abroad going up?
Give the null and alternative hypotheses for this question in terms of the proportion of
students, p, who plan to study abroad.
(b) Find the z test statistic.
(c) What is the P-value for your z?
(d) What do you conclude about the percent of students planning to study abroad in 2016-2017?

Solution