Compute Conditional Probabilities
-A Researcher at a Large University Wanted $\frac { 4 } { 9 }$

question 82

Multiple Choice

Compute Conditional Probabilities
-A researcher at a large university wanted to investigate if a student's seat preference was related in any way to the gender of the student. The researcher divided the lecture room into three sections (1-front, middle of the room, 2-front, sides of the classroom, and 3-back of the classroom, both middle and sides) and noted where his students sat on a particular day of the class. The researcher's summary table is provided below. Suppose a person sitting in the front, middle portion of the class is randomly selected to answer a question. Find the probability the person selected is a female.

• A) \(\frac { 4 } { 9 }\)
• B) \(\frac { 4 } { 13 }\)
• C) \(\frac { 9 } { 13 }\)
• D) \(\frac { 1 } { 6 }\)

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