A bookstore has a display of sale books arranged on shelves in the store window. A combination of hardbacks (H) and paperbacks (P) is arranged as follows. Test for randomness at α = 0.05.
H H H P P P P H P H P H H H H P P P P P H H P P P H P P P P P P
Follow this procedure:
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.