Three colors

Find the probability that three balls of the same color will be drawn from fate with ten white, ten red, and ten blue balls.

Correct answer:

p =  8.867 %

Step-by-step explanation:

C3(30)=(330)=3!(303)!30!=321302928=4060 n=10+10+10=30  p1=nn n19 n28=3030 3019 3028=203180.0887  p=100 p1=100 20318=203100 18=20318008.867%   Verifying Solution:  C3(10)=(310)=3!(103)!10!=3211098=120  p2=3 (310)/(3n)=3 120/4060=203180.0887 p2=p1

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