SOLUTION: Data from a fourth grade class of 35 students shows that a total of 22 students like chocolate ice cream and a total of 15 students like vanilla ice cream; each total includes 9 st

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Question 1081165: Data from a fourth grade class of 35 students shows that a total of 22 students like chocolate ice cream and a total of 15 students like vanilla ice cream; each total includes 9 students who like both chocolate and vanilla. What is the probability that a student selected at random from this class will like neither chocolate nor vanilla?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
====LC======NC
LV===9=======6======15
NLV==13======7======20
====22======13======35
We know that 22 like one, 15 the other, and 9 like both.
The table can be filled in and the ones that don't like either would be 7 and the probability 7/35 or 0.2.