Question

A box contains 15 identical balls - Six of the balls are redo 5 blue and the rest white. If three balls are selected one after one the other without replacement Find the probability that, are All three balls are red.

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Answer 1

Probability = number of events/ total number of possible outcomes

Total number of balls =15

6/15*5/14*4/13 = 120/2730

Without replacement

Answer 2

The answer is three red balls