A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 40

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are females.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438,0.642) .Based on the interval above,is the population proportion of females equal to 0.60?

• A)No,and we are 90% sure of it.
• B)No.The proportion is 54.17%.
• C)Maybe.0.60 is a believable value of the population proportion based on the information above.
• D)Yes,and we are 90% sure of it.

---

Definitions:

Poverty Rate

The proportion of the population living below the poverty line, indicating how many individuals live in economically insufficient conditions.

Welfare Reform

Changes in the public policy and legislation aimed at improving the efficiency and effectiveness of welfare programs.

Homeless Americans

Individuals living within the United States who lack fixed, regular, and adequate nighttime residence, reflecting a condition of lack or instability of housing.

Retirees Living In Poverty

Describes elderly individuals who receive insufficient income from pensions or savings to meet basic living costs.