Fourteen people apply for a teaching position in mathematics at a local college. Eight have a PhD and six have a master's degree. If the department chairperson selects five applicants at random for an interview. Then, ) write the formula for p(x), the probability distribution of the variable x, which indicates the number of people having a PhD; ) find the probability that 3 out of 5 people have a master degree; ) find the probability that the number of people having a PhD is at least 2 and at most 4; d) find the mean and the standard deviation associated to x.
Fourteen people apply for a teaching position in mathematics at a local college. Eight have a PhD and six have a master's degree. If the department chairperson selects five applicants at random for an interview. Then, ) write the formula for p(x), the probability distribution of the variable x, which indicates the number of people having a PhD; ) find the probability that 3 out of 5 people have a master degree; ) find the probability that the number of people having a PhD is at least 2 and at most 4; d) find the mean and the standard deviation associated to x.
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
Plz Answer only D part
Transcribed Image Text:Fourteen people apply for a teaching position in mathematics at a local college. Eight have a PhD and six have a master's
degree. If the department chairperson selects five applicants at random for an interview. Then,
a) write the formula for p(x), the probability distribution of the variable x, which indicates the number of people having a
PhD;
b) find the probability that 3 out of 5 people have a master degree;
c) find the probability that the number of people having a PhD is at least 2 and at most 4;
d) find the mean and the standard deviation associated to x.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 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