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

 

Thanks

Walthamx  Mar 1, 2018
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 #1
avatar+86528 
+1

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

CPhill  Mar 1, 2018

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