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The following table relates the scores in a quiz and the number of hours of study for a group of 25 students. 80-100% 60-80% 0-60% Total 0-2 hours 1 2 8 11 3-5 hours 1 6-8 hours 12 0 15 Total 5 11 9 25 What is the probability that a student scored between 60% and 80%, given that she studied six and a half hours?

The following table relates the scores in a quiz and the number of hours of study for a group of 25 students. 80-100% 60-80% 0-60% Total 0-2 hours 1 2 8 11 3-5 hours 1 6-8 hours 12 0 15 Total 5 11 9 25 What is the probability that a student scored between 60% and 80%, given that she studied six and a half hours?

A First Course in Probability (10th Edition)
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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The following table relates the scores in a quiz and the number of hours of study for a group of 25 students. 80-100% 50-80% 0-60% Total 0-2 hours 1 2 8 11 3-5 hours 6-8 hours 3 2 15 Total 5 11 9 25 What is the probability that a student scored between 60% and 80%, given that she studied six and a half hours?
Transcribed Image Text:The following table relates the scores in a quiz and the number of hours of study for a group of 25 students. 80-100% 50-80% 0-60% Total 0-2 hours 1 2 8 11 3-5 hours 6-8 hours 3 2 15 Total 5 11 9 25 What is the probability that a student scored between 60% and 80%, given that she studied six and a half hours?
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