Mathematics, 04.09.2019 17:10 itssmookie129
In a vce external examination, 20% of the students failed physics, 15% of the students failed biology and 12% of the students failed both physics and biology. a student is selected at random. a) if she or he failed biology, what is the probability that she or he also failed physics? b) what is the probability that she or he failed physics or biology?
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In a vce external examination, 20% of the students failed physics, 15% of the students failed biolog...
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