SOLUTION: In a sample of 300 adults, 120 like chocolate ice cream and 87 like vanilla ice cream. One adult is randomly selected from these adults. Round your answer to 2 decimal places.
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Question 1052190: In a sample of 300 adults, 120 like chocolate ice cream and 87 like vanilla ice cream. One adult is randomly selected from these adults. Round your answer to 2 decimal places.
a. What is the probability that this adult likes chocolate ice cream?
Probability =
b. What is the probability that this adult likes vanilla ice cream?
Probability =
c. Do these two probabilities add to 1.0? Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! It is 120/300=0.40
Likes vanilla ice cream is 87/300=0.29
They don't add to 1.0 because some adults like something else that isn't one of these two choices. It wasn't dichotomous or one or the other.
