Statisticshard · Past Paper
A bag contains 6 red, 4 white and 8 blue balls. If 3 balls are drawn at random, what is the probability they are all blue?
A8/18
B56/816
C1/3
D7/102
✓ Correct Answer: D — 7/102
8C3 / 18C3 = (8*7*6)/(18*17*16) = 336 / 4896 = 7/102.
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