7. Refer to Exhibit 9- 1. The corresponding p-value isa.0.0122b.-0.0122c.0.0110d.0.06688. Refer to Exhibit 9- 1. The conclusion at the 5% level of significance isExhibit 9-2A random sample of 100 people was taken. Eighty-five of the people in the sample favored Professor A. We are interested in determining whether or not the proportion of the population in favor of Professor A is significantly more than 80%.8.Refer to Exhibit 9-2. The test statistic is9.Refer to Exhibit 9-2. The p-value is10.Refer to Exhibit 9-2. At 95% confidence, it can be concluded that the proportion of the population in favor of Professor Aa.is significantly greater than 80%b.is not significantly greater than 80%c.is significantly greater than 85%d.is not significantly greater than 85%
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Statistics,Null hypothesis,Statistical hypothesis testing,Type I and type II errors