The probability of the first type = 0.5*0.5*0.5 *3 = 0.375.

The second probability = black and white+black and white+black and white.

= 0.5*(5/9)*(4/8) + 0.5*(5/9)*(4/8) + 0.5*(4/9)*(5/8)

= 0.4 17

So the probability of the second one is high.