For Exercises perform these steps.

a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.

A survey found that in a random sample of 75 families, 26 owned dogs. A survey done 15 years ago found that in a random sample of 60 families, 26 owned dogs. At α = 0.05, has the proportion of dog owners changed over the 15-year period? Use the P-value method.