A Student Believes That No More Than 20% I

question 6

Short Answer

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:

Upward Mobility

Movement of a person from an occupation lower in prestige and income to one higher in prestige and income.

Gender

A social construct that refers to the roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.

Education Attainment

The highest level of education an individual has completed, often used as an indicator of skill, knowledge, and socioeconomic status.

Death Rates

A measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.