Using it's concept, it is found that the probability that an adult prefers chocolate ice cream is given by:
D. 55/119.
What is a probability?
A probability is given by the number of desired outcomes divided by the number of total outcomes.
In this problem, there is a total of 55 + 54 + 10 = 119 adults, and of those, 55 prefer chocolte ice cream, hence the probability is given by:
p = 55/119.
Thus option D is correct.
More can be learned about probabilities at https://brainly.com/question/14398287
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