Answers

2016-03-03T16:08:15+08:00
Let P(F) = probability that it is a friday
P(A) = probability that a student is absent
Now, we are finding P(A|F).

P(A|F) = P(F^A) / P(F)
P(A|F) = 0.03/0.2
P(A|F) = 0.15
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