A Researcher Wants to Estimate the Proportion of a Population

question 26

Multiple Choice

A researcher wants to estimate the proportion of a population which possesses a given characteristic.A random sample of size 200 is taken and 30% of the sample possesses the characteristic.The 90% confidence interval to estimate the population proportion is ___.

• A)0.53 to 0.67
• B)0.25 to 0.35
• C)0.24 to 0.36
• D)0.27 to 0.33
• E)0.33 to 0.39

Grasp the significance of the central and peripheral nervous systems and their components.

Distinguish between the roles of different types of neurons.

Understand the physiological basis of reflex actions and their importance in human behavior.

Conceptualize how drugs and toxins can affect neurotransmitter function.

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Definitions:

Comparative Advantage

The ability of an individual, firm, or country to produce a certain good or service at a lower opportunity cost than competitors.

International Specialization

The economic strategy where countries focus on the production and export of goods and services for which they have a comparative advantage.

Trading Possibilities Line

A line that shows the different combinations of two products that an economy is able to obtain (consume) when it specializes in the production of one product and trades (exports) it to obtain the other product.

Cost Ratios

These ratios compare different types of costs to each other or to sales in order to evaluate a company's financial efficiency and profitability.