Chapter 11.2, Problem 26E

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.

26. Mothers Working Outside the Home According to a recent survey, 59% of Americans aged 8 to 17 years would prefer that their mothers work outside the home.

regardless of what they do now. A school district psychologist decided to select three random samples of 60 students each in elementary, middle, and high school to see how the students in her district felt about the issue. At α = 0.10, test the claim that the proportions of the students who prefer that their mothers have jobs outside the home are equal.

Source: Daniel Weiss, 100% American.