There are 8 brown balls, 4 oragne balls and 5 black balls in a bag. Five balls are chosen at random. What is the probability of there being 2 brown balls, 1 orange ball and 2 black balls?
The correct option is C 2801547
Toal possible outcomes =17C5
Total favourable outcomes =8C2×4C1×5C2
Required probability =11206188=2801547