Want the option to keep studying online 10, 3, 13
Don’t want the option to keep studying online 5, 7, 12
Column total 15, 10, 25
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
P(wants online option or is a boy) = P(wants online option) + P(is a boy) - P(wants online option and is a boy)