Let [latex]W[/latex] be event when student selected wearing glasses.
Let [latex]B[/latex] be event when student selected is a boy.
Find
(i)
[latex]\text{P}\left( \text{W}|\text{B} \right)[/latex]
(ii)
[latex]\text{P}\left( \text{B}’|\text{W}’ \right)[/latex]
(iii)
[latex]\text{P}\left( \text{B}|\text{W} \right)[/latex]