[Solution Library] A student believes that no more than 20% (i.e., 20%) of the students who finish a statistics course get an A. A random sample of 100
Question: A student believes that no more than 20% (i.e., 20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-four percent of the students in the sample received A’s.
- Do a right-sided test for the population proportion at 5% significance.
- Using a standardized test statistic, test the hypothesis at the 1% level of significance.
- Using a p-value, test the hypothesis at the 1% level of significance.
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