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0.4 d. If a student is chosen at random, what is the probability the student is a 12th grader or has a car? e. What is the probability that a student has a car, given that they are an 11th grader?

0.4 d. If a student is chosen at random, what is the probability the student is a 12th grader or has a car? e. What is the probability that a student has a car, given that they are an 11th grader?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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only need the answers for d and e please
the C CM² 3. 11th and 12th grade students at Fairlawn High School were asked whether or not they have their own cars. The results of the survey are recorded in the following two-way frequency table. a. What is the Probability that the student has a car? 0,375 b. What is the probability the student is a 12th grader? 11th Grader (E) 12th Grader (T) Have Car (C) 8 No Car (N) 22 32 18 sq Total 50 0.5 c. What is the probability that a student is an 11th grader and does not have a car? 0.4 d. If a student is chosen at random, what is the probability the student is a 12th grader or has a car? e. What is the probability that a student has a car, given that they are an 11th grader? 80
Transcribed Image Text:the C CM² 3. 11th and 12th grade students at Fairlawn High School were asked whether or not they have their own cars. The results of the survey are recorded in the following two-way frequency table. a. What is the Probability that the student has a car? 0,375 b. What is the probability the student is a 12th grader? 11th Grader (E) 12th Grader (T) Have Car (C) 8 No Car (N) 22 32 18 sq Total 50 0.5 c. What is the probability that a student is an 11th grader and does not have a car? 0.4 d. If a student is chosen at random, what is the probability the student is a 12th grader or has a car? e. What is the probability that a student has a car, given that they are an 11th grader? 80
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