P(student wants to study online or is a boy) = P(student wants to study online) + P(student is a boy) - P(student wants to study online and is a boy)
Alternatively,
P(student wants to study online or is a boy) = P(student wants to study online) + P(student is a boy) - P(student wants to study online and is a boy) + P(student does not want to study online and is a boy)
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studying online
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Which mathematical sentence can be used to calculate the probability of selecting a student who wants the option to keep studying online or is a boy?
1 answer