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in a class of 52 students, 31 offer biology and 40 offer chemistry. each student...

in a class of 52 students, 31 offer biology and 40 offer chemistry. each student offers at least one of the two subjects. if a student is picked at random from the class, find the probability that he offers both subjects?
In Mathematics
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Asked by D boss on 1st June, 2022
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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts