For Exercises 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.
Use the traditional method of hypothesis testing unless otherwise specified. Assume all assumptions are valid.

To test the effectiveness of a new drug, a researcher gives one group of randomly selected individuals the new drug and another group of randomly selected individuals a placebo. The results of the study are shown here. At α=0.10, can the researcher conclude that the drug results differ from those of the placebo? Use the P-value method.

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Medication Drug Placebo Effective 32 12 Not effective 9 18