An urn contains 6 white and 9 black balls. Two successive draws of 4 balls are made without replacement. The probability, that the first draw gives all white balls and the second draw gives all black balls, is :
- A$$\frac{3}{256}$$
- B$$\frac{5}{256}$$
- C$$\frac{3}{715}$$
- D$$\frac{5}{715}$$
✓ Correct answer: C
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