A recent study by Munro et al found that 15% of college freshman were not happy with their choice of major. A random sample of 100 college juniors found that 10% were not happy with
their major. Is there sufficient evidence to suggest that the proportion of students not happy with
their major is smaller among juniors than freshman? Use alpha = .05.
I.
State the hypotheses.
II.
Calculate the test statistic.
III. Find the p-value IV. Make a statistical decision. V. State your conclusion in the context of the problem.