A metropolitan school system consists of three districts—north, south, and central. The north districtcontains 25% of all students, the south district contains 40%, and the central district contains35%. A minimum-competency test was given to all students; 10% of the north district studentsfailed, 15% of the south district students failed, and 5% of the central district students failed. What is the probability that a student selected at random failed the test?
A metropolitan school system consists of three districts—north, south, and central. The north districtcontains 25% of all students, the south district contains 40%, and the central district contains35%. A minimum-competency test was given to all students; 10% of the north district studentsfailed, 15% of the south district students failed, and 5% of the central district students failed. What is the probability that a student selected at random failed the test?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter11: Simulation Models
Section11.5: Simulating Games Of Chance
Problem 38P: You have 5 and your opponent has 10. You flip a fair coin and if heads comes up, your opponent pays...
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A metropolitan school system consists of three districts—north, south, and central. The north district
contains 25% of all students, the south district contains 40%, and the central district contains
35%. A minimum-competency test was given to all students; 10% of the north district students
failed, 15% of the south district students failed, and 5% of the central district students failed. What is the probability that a student selected at random failed the test?
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