mochamarose mochamarose

21-11-2021
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In wasomi secondary 30% of the students study biology, 45% physics and 15% both biology and physics. If a student is randomly selected, what is the probability that he studys biology or physics.

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Younes69 Younes69

21-11-2021

90% is the correct answer.

30% + 45% + 15% = 90%

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