A box contains 4 red balls and 6 black balls. Three balls are selected randomly from the box one after another, without replacement. The probability that the selected set contains one red ball and two black balls is
A. $$\frac{1}{{20}}$$
B. $$\frac{1}{{12}}$$
C. $$\frac{3}{{10}}$$
D. $$\frac{1}{2}$$
Answer: Option D
This Question Belongs to Engineering Maths >> Probability And Statistics
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