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Mathematics 9 Online
OpenStudy (anonymous):

50% of people drive to work, 30% have children, and 20% drive and have children. What is the probability of a person driving and having children the answer is 3/5 but how?

OpenStudy (anonymous):

=0.3 x 0.2 = 0.6 = 3/5

OpenStudy (anonymous):

easy way to think about it. In probability "AND" means multiply and "OR" means you add.

OpenStudy (anonymous):

Similar to how logic works.

OpenStudy (amistre64):

"..20% drive and have children. What is the probability of a person driving and having children..."

OpenStudy (amistre64):

is this a typo or am i not reading it right?

OpenStudy (anonymous):

thank you amister that is not correct elec that is both and have children

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

ohhh I think I get it

OpenStudy (anonymous):

I think it's conditional probability but the question is not worded correctly.

OpenStudy (anonymous):

oh ok srry

OpenStudy (anonymous):

i am srry it was probability of a person driving OR having children

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