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MathSofiya
Group Title
A=student is female
B=student is majoring in Business
The probability a business major is female
P(BA)
The probability a female student is majoring in business
P(AB)
correct?
 one year ago
 one year ago
MathSofiya Group Title
A=student is female B=student is majoring in Business The probability a business major is female P(BA) The probability a female student is majoring in business P(AB) correct?
 one year ago
 one year ago

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CliffSedge Group TitleBest ResponseYou've already chosen the best response.1
Ermm, I think those are backwards, actually. BA is read, "of B given A."
 one year ago

MathSofiya Group TitleBest ResponseYou've already chosen the best response.0
elaborate. My book agrees with you, but I still don't understand why I'm wrong.
 one year ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.1
For "The probability a business major is female"  you're looking for the probability of being female. That the person is a business major is already given.
 one year ago

MathSofiya Group TitleBest ResponseYou've already chosen the best response.0
"The probability a business major is female" given: person is a business major so B is given Therefore I say of "female" given "business major"
 one year ago

MathSofiya Group TitleBest ResponseYou've already chosen the best response.0
hhhmm....I guess that makes sense.
 one year ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.1
Yep, these are called 'conditional probabilities;' you need to determine what the given condition is and that goes after the .
 one year ago

MathSofiya Group TitleBest ResponseYou've already chosen the best response.0
Thank you!
 one year ago

CliffSedge Group TitleBest ResponseYou've already chosen the best response.1
You're quite welcome.
 one year ago
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