A Student Believes That No More Than 20% (I $\le$ 20%)of the Students Who Finish a Statistics Course Get an \le

question 59

Essay

A student believes that no more than 20% (i.e. , $\le$ 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.
a.State the null and alternative hypotheses.
b.Using the critical value approach,test the hypotheses at the 1% level of significance.
c.Using the p-value approach,test the hypotheses at the 1% level of significance.

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Definitions:

Extraordinary Activities

Tasks or actions that are beyond the ordinary, often requiring remarkable effort or skill.

Difficulty of Replacement

refers to the challenges associated with finding a suitable substitute for an employee, resource, or component, often due to specialized skills or scarcity.

Influence Tactic

Strategies or methods used to persuade or direct others' behavior and decision-making in a desired direction.

Machiavellianism

A set of cynical beliefs about human nature, morality, and the permissibility of using various tactics to achieve one’s ends.