Chapter 11.2, Problem 22E

For Exercises 7 through 31, perform the following steps.

a. State the hypotheses and identify the claim.

b. Find the critical value.

c. Compute the test value.

d. Make the decision.

e. Summarize the results.

22. Foreign Language Speaking Dorms A local college recently made the news by offering foreign language–speaking dorm rooms to its students. When questioned at another school, 50 randomly selected students from each class responded as shown. At α = 0.05, is there sufficient evidence to conclude that the proportions of students favoring foreign language–speaking dorms are not the same for each class?