Answered: Four hundred consumers were surveyed…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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$Four hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups and preferences are given in the table. Liked Crunchicles Disliked Crunchicles No Preference Total 18- 24 25- 35- 55 4 17 45 a 41 22 90 48 9 19 6 34 55 and over 105 66 57 228 Total 135 139 126 400 One consumer from the survey is selected at random. Use reduced fractions for your responses to each of the following questions. If the selected consumer is 70 years old, what is the probability that he/she likes Crunchicles? What is the probability that the consumer is 18-24 years of age, given that he/she dislikes Crunchicles? What is the probability that the selected consumer dislikes Crunchicles? What is the probability that the selected consumer is 35-55 years old or likes Crunchicles?$

Transcribed Image Text: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- 35- 55 4 17 45 a 41 22 90 48 9 19 6 34 55 and over 105 66 57 228 Total 135 139 126 400 One consumer from the survey is selected at random. Use reduced fractions for your responses to each of the following questions. If the selected consumer is 70 years old, what is the probability that he/she likes Crunchicles? What is the probability that the consumer is 18-24 years of age, given that he/she dislikes 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?

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