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Question 27
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Four hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups
and preferences are given in the table.
Liked Crunchicles
Disliked Crunchicles
No Preference
Total
18-24 25-34 35-55 55 and over Total
9 47 38
61 155
3 6 5
28 42
43 42 53
65 203
55 95 96
154 400
One consumer from the survey is selected at random. Use reduced fractions for your responses to each of
the following questions.
What is the probability that the consumer is 18-24 years of age, given that they dislike Crunchicles?
What is the probability that the selected consumer dislikes Crunchicles?
What is the probability that the selected consumer is 35-55 years old or likes Crunchicles?
If the selected consumer is 70 years old, what is the probability that they like Crunchicles?