SOLUTION: Please help! A college professor has been studying the relationship between the attendance habits of his students and the grades they earn in his courses. A breakdown of 200

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Question 868200: Please help!
A college professor has been studying the relationship between the attendance habits of his students and the grades they earn in his courses.
A breakdown of 200 of his students revealed the following:
Attended Regularly---160 140 Passed and 20 Failed
Attended Sometimes—40 30 Passed and 10 Failed
Passed=170 and Failed=30
Assume that a student is chosen at random.
What is the probability that the student passed the course, given that the students attended class sometimes.

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi pass F
Attended Regularly 160 140 20
Attended Sometimes 40 30 10
200 170 30
P(pass|sometimes) =
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