Epidemiologists Decided to Investigate the Effect of Sunscreens on Sunburns

question 5

Multiple Choice

Epidemiologists decided to investigate the effect of sunscreens on sunburns.They ran an epidemiologic study to see the association of sunscreens and sunburns.Overall,460 people have enrolled in the study.Investigators randomly allocated 230 people to the treatment group (sunscreens) and 230 to the control group (placebo) .They exposed those 460 people to the high mountain trail on a sunny day.At the end of the study,30 people developed sunburns in the sunscreen group and 130 people developed sunburns in the placebo group.What is the risk of developing sunburns in the placebo group?

• A) 0.13
• B) 0.15
• C) 0.23
• D) 0.57
• E) 1

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Definitions:

Cost-Benefit Considerations

The process of weighing the total expected costs against the total expected benefits of one or more actions in order to choose the best or most profitable option.

Risk Assessment

The process of identifying, analyzing, and evaluating the risks involved in a certain situation or for a specific investment.

Protect Assets

Measures or strategies implemented by a company or individual to safeguard physical and intangible assets from loss, damage, or theft.

Internal Auditors

Professionals employed by an organization to perform audits on the efficacy and efficiency of its operations, ensuring adherence to laws and policies.