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?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 26E
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Question
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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