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jstringe424
jstringe424
20.11.2020 • 
Mathematics

Andrew believes the honor roll students at his school have an unfair advantage in being assigned to the math class they request. He asked 500 students at his school the following questions: "Are you on the honor roll?" and "Did you get the math class you requested?" The results are shown in the table below: Honor roll Not on honor roll Total
Received math class requested 215 125 340
Did not get math class requested 80 80 160
Total 295 205 500
Part A: Find the probability that a randomly selected student is not on the honor roll or did not get the math class they requested (3 points).

Part B: Find the probability that a student, given that they are on the honor roll, did not get the math class they requested. (3 points)

Part C: Are "honor roll" and "Received math class requested" independent events? Justify your answer. (4 points)

. (10 points)

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