A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table. Jeans Purchased Annually 0 1 2 3 or More Total Under 12 0 57 79 54 190 12-18 28 86 97 69 280 19-25 30 51 119 50 250 over 25 40 75 154 11 280 Total 98 269 449 184 1000 A person is selected at random. Use the table to answer these questions. Round your answers to three decimal places.(a) What is the probability that the person, who is over 18, purchases 2 pairs of jeans annually? (b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?
A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table. Jeans Purchased Annually 0 1 2 3 or More Total Under 12 0 57 79 54 190 12-18 28 86 97 69 280 19-25 30 51 119 50 250 over 25 40 75 154 11 280 Total 98 269 449 184 1000 A person is selected at random. Use the table to answer these questions. Round your answers to three decimal places.(a) What is the probability that the person, who is over 18, purchases 2 pairs of jeans annually? (b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table.
Jeans Purchased Annually | |||||
---|---|---|---|---|---|
0 | 1 | 2 | 3 or More | Total | |
Under 12 | 0 | 57 | 79 | 54 | 190 |
12-18 | 28 | 86 | 97 | 69 | 280 |
19-25 | 30 | 51 | 119 | 50 | 250 |
over 25 | 40 | 75 | 154 | 11 | 280 |
Total | 98 | 269 | 449 | 184 | 1000 |
A person is selected at random. Use the table to answer these questions. Round your answers to three decimal places.
(a) What is theprobability that the person, who is over 18, purchases 2 pairs of jeans annually?
(b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?
(a) What is the
(b) What is the probability that a person who purchased less than 3 pairs of jeans each year will be in the age group 12-18?
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