The accompanying table shows the number of students who eamed an A, B, C, and D grade in a business statistics class along with their year in their program. Complete parts a through g. Grade Sophomore Junior O 16 31 B 32 37 18 18 D 12 a. What percentage of students this class are juniors? The percentage is %. (Round to one decimal place as needed.) b. What percentage students in this class earned a B grade? The percentage is %. (Round to one decimal place as needed.) c. What percentage of students in this class were sophomores and earned a B grade? The percentage is %. (Round to one decimal place as needed.) d. What percentage of students in this class were juniors or earned an A grade? The percentage is %. (Round to one decimal place as needed.) e. What percentage of students in this class earned a C grade, given they were sophomores?
The accompanying table shows the number of students who eamed an A, B, C, and D grade in a business statistics class along with their year in their program. Complete parts a through g. Grade Sophomore Junior O 16 31 B 32 37 18 18 D 12 a. What percentage of students this class are juniors? The percentage is %. (Round to one decimal place as needed.) b. What percentage students in this class earned a B grade? The percentage is %. (Round to one decimal place as needed.) c. What percentage of students in this class were sophomores and earned a B grade? The percentage is %. (Round to one decimal place as needed.) d. What percentage of students in this class were juniors or earned an A grade? The percentage is %. (Round to one decimal place as needed.) e. What percentage of students in this class earned a C grade, given they were sophomores?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
CAN YOU PLEASE ANSWER THE WHOLE THING?
Transcribed Image Text:The percentage is%.
(Round to one decimal place as needed.)
e. What percentage of students in this class earned a C grade, given they were sophomores?
The percentage is %.
(Round to one decimal place as needed.)
f. What percentage of students in this class were sophomores, given they earned a C grade?
The percentage is %.
(Round to one decimal place as needed.)
g. Do course grade and year in the program appear to be independent or dependent? Define Event A as earning an A grade and Event B as a student in his or her sophomore year.
Since P(A|B) =
(Round to three decimal places as needed.)
is not equal to
the events
independent. Therefore, course grade and year in the program appear to be
Transcribed Image Text:The accompanying table shows the number of students who eaned an A, B, C, and D grade in a business statistics class along with their year in their program. Complete parts a through g.
Grade
Sophomore
Junior O
A
16
31
B
32
37
18
18
12
a. What percentage of students in this class are juniors?
The percentage is %.
(Round to one decimal place as needed.)
b. What percentage of students in this class earned a B grade?
The percentage is %.
(Round to one decimal place as needed.)
c. What percentage of students in this class were sophomores and earned a B grade?
The percentage is %
(Round to one decimal place as needed.)
d. What percentage
students in this class were juniors or earned an A grade?
The percentage is %.
(Round to one decimal place as needed.)
e. What percentage of students in this class earned a C grade, given they were sophomores?
The percentage is %.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman