Solution Found!
Student Survey In a recent survey, the following data were
Chapter 4, Problem 17E(choose chapter or problem)
Problem 17E
Student Survey In a recent survey, the following data were obtained in response to the question, “If the number of summer classes were increased, would you be more likely to enroll in one or more of them?”
Class |
Yes |
No |
No opinion |
Freshmen |
15 |
8 |
5 |
Sophomores |
24 |
4 |
2 |
If a student is selected at random, find the probability that the student
a. Has no opinion
b. Is a freshman or is against the issue
c. Is a sophomore and favors the issue
Questions & Answers
QUESTION:
Problem 17E
Student Survey In a recent survey, the following data were obtained in response to the question, “If the number of summer classes were increased, would you be more likely to enroll in one or more of them?”
Class |
Yes |
No |
No opinion |
Freshmen |
15 |
8 |
5 |
Sophomores |
24 |
4 |
2 |
If a student is selected at random, find the probability that the student
a. Has no opinion
b. Is a freshman or is against the issue
c. Is a sophomore and favors the issue
ANSWER:
Solution 17E
Step1 of 4:
From the given problem we have a data set and it is given below:
Class |
Yes |
No |
No opinion |
Freshmen |
15 |
8 |
5 |
Sophomores |
24 |
4 |
2 |
Here our goal is:
a). We need to find the probability that the student has no opinion.
b). We need to find the probability that the student is a freshman or is against the issue.
c). We need to find the probability that the student is a sophomore and favors the issue.
Step2 of 4:
a).
Consider,
Class |
Yes |
No |
No opinion |
Total |
Freshmen |
15 |