A Researcher Wanted to Compare Eye Color Distributions of Babies

question 122

Multiple Choice

A researcher wanted to compare eye color distributions of babies born with a birth defect with babies who did not have the birth defect.26 babies with the defect were matched on gender,race,and age with 52 babies without the defect.The frequency of different eye colors as a function of the presence or absence of the defects was as follows:
Eye Color
Group Dark Medium Light
Defect 1 6 19
No Defect 15 13 24
If a baby was randomly selected from those participating in the study,the likelihood of that baby having dark eyes is ____.

• A)1/16
• B)35/78
• C)16/78
• D)1/26 + 15/52

Understand basic decision analysis techniques and their applications.

Identify and apply the rollback technique in decision tree analysis.

Understand the distinction between correlational and causational links in health statistics.

Identify and describe unhealthy and healthy coping responses.

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Definitions:

Elasticities of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, expressed as a percentage.

Pure Monopolists

Firms that are the sole provider of a product or service in the market, lacking any competition and controlling prices.

Economic Profits

The surplus after all the costs of production (including opportunity costs and explicit costs) have been subtracted from total revenues, indicating profitability beyond normal expectations.

Average Total Cost

The total cost of production divided by the quantity produced, representing the per-unit cost of production.