Posted by **Jada** on Wednesday, March 13, 2013 at 11:54pm.

In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class on Fridays passed the course.

a. What percentage of students is expected to pass the course?

b. Given that a person passes the course, what is the probability that he/she attended classes on Fridays?

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