Suppose That $B _ { 1 }$ And $B _ { 2 }$

question 54

Multiple Choice

Suppose that $B _ { 1 }$ and $B _ { 2 }$ are mutually exclusive and complementary events, such that $P \left( B _ { 1 } \right) = .6$ and $P \left( B _ { 2 } \right) = .4$ . Consider another event $A$ such that $P \left( A \mid B _ { 1 } \right) = .2$ and $P \left( A \mid B _ { 2 } \right) = .5$ . Find $P ( A )$ .

• A) \(.88\)
• B) \(.70\)
• C) \(.32\)
• D) \(.38\)

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Definitions:

National SSIs Rate

The national rate of Surgical Site Infections, which are infections that occur after surgery in the part of the body where the surgery took place.

Standard Error

A statistical term that measures the accuracy with which a sample distribution represents a population using standard deviation.

Sample Proportions

The ratio of the number of times an event occurs to the total number of trials or instances.

Minority Students

Students who are part of a racial, ethnic, cultural, or socioeconomic group that is underrepresented or marginalized in a specific context.