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.
30. Thanksgiving Travel According to the American Automobile Association, 31 million Americans travel over the Thanksgiving holiday. To determine whether to stay open or not, a national restaurant chain surveyed 125 customers at each of four locations to see if they would be traveling over the holiday. The results are shown here. At α = 0.10, test the claim that the proportions of Americans who will travel over the Thanksgiving holiday are equal. Use the P-value method.
Source: Michael D. Shook and Robert L. Shook, The Book of Odds.
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