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9. Identify the correct null and alternative hypotheses. A hypnosis program designed to help individuals quit...

9. Identify the correct null and alternative hypotheses. A hypnosis program designed to help individuals quit smoking claims a 57% success rate. A consumer watch group suspects that this claim is high and randomly selects 50 individuals who have completed the program in order to conduct a hypothesis test. What are the appropriate null and alternative hypotheses? a) H0: p = 0.57 vs. Ha: p < 0.57 b) H0: p = 0.57 vs. Ha: p > 0.57 c) H0: p = 0.57 vs. Ha: p ≠ 0.57 d) H0: p < 0.57 vs. Ha: p > 0.57

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Answer #1

Option a) is correct.

a) H0: p = 0.57 vs. Ha: p < 0.57 .............(Left tailed alternative hypothesis)
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