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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?
 2 years ago
 2 years 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?
 2 years ago
 2 years 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."
 2 years 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.
 2 years 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.
 2 years 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"
 2 years ago

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

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

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