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:

Cash Budget

A financial plan that estimates cash inflows and outflows over a specific period, often used by companies to manage liquidity and ensure sufficient cash on hand.

Control Purposes

The use of various management and accounting mechanisms to monitor, manage, and optimize the performance and efficiency of an organization.

Sales Forecasts

Sales forecasts are predictions of future sales volumes, often based on historical sales data, market analysis, and anticipated market changes.

Cash Budget

A financial plan that estimates cash inflows and outflows over a specific period, typically used to assess liquidity and manage cash flow.