A Karate club consists of 54 persons holding a black belt (highest rating) , 64 persons holding a brown belt (middle rating) , and 79 persons holding a purple belt (lowest rating) . What is the Probability that a randomly-selected club member holds a black belt?
A) 0.378
B) 0.622
C) 0.726
D) 0.274
Correct Answer:
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