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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(B|A) The probability a female student is majoring in business P(A|B) correct?

  • 2 years ago
  • 2 years ago

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  1. CliffSedge Group Title
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    Ermm, I think those are backwards, actually. B|A is read, "of B given A."

    • 2 years ago
  2. MathSofiya Group Title
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    elaborate. My book agrees with you, but I still don't understand why I'm wrong.

    • 2 years ago
  3. CliffSedge Group Title
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    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
  4. MathSofiya Group Title
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    "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
  5. MathSofiya Group Title
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    hhhmm....I guess that makes sense.

    • 2 years ago
  6. CliffSedge Group Title
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    Yep, these are called 'conditional probabilities;' you need to determine what the given condition is and that goes after the |.

    • 2 years ago
  7. MathSofiya Group Title
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    Thank you!

    • 2 years ago
  8. CliffSedge Group Title
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    You're quite welcome.

    • 2 years ago
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