Answered: What is the probability that the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Three hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups and preferences are given in the table.

	18–24	25–34	35–55	55 and over	Total
Liked Crunchicles	12	5	14	112	143
Disliked Crunchicles	31	15	9	60	115
No Preference	13	13	13	3	42
Total	56	33	36	175	300

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?

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