Question

Exhibit 9-6a A random sample of 150 people was taken. 98 of the people in the sample favored Candidate A. We are interested in determining whether or not the proportion of the population in favor of Candidate A is significantly more than 57%. [R] Refer to Exhibit 9-6a. At the 0.1 level of significance, what conclusion do you draw?

(A) reject the null hypothesis
(B) fail to reject the null hypothesis

Answer 1

Answer:

Step-by-step explanation:

Answer 2

At the significance level given, the conclusion is B. Reject the null hypothesis.

What is the conclusion from the significance level?

The first thing to do is to calculate the test statistic. This will be 1.98 from the z table.

In this case, the rejection region will be when the number is more than 1.28. Here, 1.98 is more than 1.28.

Therefore, the best thing to do is to simply reject the null hypothesis.

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