Mathematics, 25.01.2022 20:50 marissasabino111
Of the students who tool English in a certain school one year, 60% of them took History, 30% of them took Biology, and 10% took both History and Biology.
One of the students is chosen at random.
a) Find the probability that the student took neither History nor Biology
b) Given that the student took exactly one of History and Biology, find the probability it was History
Answers: 1
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Of the students who tool English in a certain school one year, 60% of them took History, 30% of them...
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