A Student Believes That No More Than 20% (I

question 38

Essay

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.
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:

Government Buyer

An individual or entity responsible for procuring goods and services for government agencies or departments, adhering to specific regulations and criteria.

U.S. Marine Corps.

A branch of the United States Armed Forces responsible for providing power projection, using the mobility of the U.S. Navy to rapidly deliver combined-arms task forces.

Distributor

A type of reseller or marketing intermediary that resells manufactured products without significantly altering their form. Distributors often buy from manufacturers and sell to other businesses like retailers in a B2B transaction.

Supermarkets

Large retail stores offering a wide variety of food and household products, organized into aisles.