You interview a random sample of 50 adults. The results of the survey show that

Question

You interview a random sample of 50 adults. The results of the survey show that 32% of the adults said they were more likely to buy a product when there are free samples? At alpha = 0.005, can you reject the claim that at least 47% of the adults are more likely to buy a product when there are free samples? State the null and alternative hypotheses. Choose the correct answer below. A. H_0: p notequalto 0.47 H_a: p = 0.47 B. H_0: p = 0.47 H_a: p notequalto 0.47 C. H_0: p lessthanorequalto 0.47 H_a: p > 0.47 D. H_0: p greaterthanorequalto 0.47 H_a: p

Explanation / Answer

Null and Alternative Hypothesis:

Answer: Option D

From normal distribution table at .005 level of significance we get the critical z as -2.58

Answer: The critical value is -2.58

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