Question 1195859
<pre>
1.1.  On ONE pick, Pr(black) = 4/(7+4+1) = 4/12 = <b>1/3</b>

1.2.  On TWO picks without replacement,  
         Pr(Red and White) = (7/12)*(1/11) + (1/12)*(7/11) = 14/132 = <b>7/66</b>