Solve the conditional probability question

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Homework Help Overview

The discussion revolves around a conditional probability question, specifically focusing on part c of the problem. Participants are examining different approaches to solving the question and questioning the validity of their methods.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the correctness of various approaches, particularly a second method mentioned for part c. There are inquiries about whether this method is valid or incorrect, indicating some confusion regarding the problem's requirements.

Discussion Status

The discussion appears to be ongoing, with participants sharing their attempts and expressing uncertainty about the correctness of their solutions. Some have indicated a sense of clarity, but no consensus has been reached regarding the validity of the approaches discussed.

Contextual Notes

Participants reference specific parts of the problem and express confusion about the approaches taken, suggesting that there may be nuances in the problem that are not fully resolved.

chwala
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Homework Statement
see attached problem below;
Relevant Equations
conditional probability
My question is on part ##c## of the problem.
Kindly see attached question,...is the second approach correct?

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my attempt...why is the second approach wrong for question ##c##?or is it also correct?
 
1618547450802.png

i got a little mixed up, but that's the beauty of maths ...the correct solution is
## P(B/A^{'})##=##\frac {3}{5}##
 
i think its now clear...phew!
 

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