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Please help with the question I have wrong, I just can't work out where I am going wrong.

 

Thanks

 Mar 1, 2018
 #1
avatar+99586 
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If he fails because of the practical only...he must have passed the theory part...so....the probability that he failed because of the practical only  is

 

Pass Theory * Fail Practical =

 

   0.8              *            0.5     =      0.40

 

 

cool cool cool

 Mar 1, 2018

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