The following joint frequency distribution table shows responses from a sample of 210 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval. Age Group under 25 25 to 40 over 40 Total Approve 12 26 38 76 Disapprove 31 20 21 72 Indifferent 30 8 24 62 a) approved? b) did not disapprove? Total 73 54 Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: 83 210 a) did not disapprove? b) was in the 25 to 40 age group and approved? c) was not in the 25 to 40 age group and approved? d) was in the under 25 age group or disapproved? e) was not in the under 25 age group or disapproved? f) was not under 25 and did not disapprove? a) approved? b) did not disapprove? 2. Given that an employee was in the 25 to 40 age group, what is the probability that the employee 3. What is the probability of selecting an employee that was in the under 25 age group from a group of employees that

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

The following joint frequency distribution table shows responses from a sample of 210 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval.

 

Age Group Approve Disapprove Indifferent Total
under 25 12 31 30 73
25 to 40 26 20 8 54
over 40 38 21 24 83
Total 76 72 62 210

 

Report answers accurate to at least 4 decimal places.

    1. What is the probability that a randomly selected employee:

      a) did not disapprove
      b) was in the 25 to 40 age group and approved
      c) was not in the 25 to 40 age group and approved
      d) was in the under 25 age group or disapproved
      e) was not in the under 25 age group or disapproved
      f) was not under 25 and did not disapprove

 

    1. Given that an employee was in the 25 to 40 age group, what is the probability that the employee

      a) approved
      b) did not disapprove

 

  1. What is the probability of selecting an employee that was in the under 25 age group from a group of employees that

    a) approved
    b) did not disapprove
The following joint frequency distribution table shows responses from a sample of 210 unionized employees
on how their union president handled a recent labour action. Employees were categorized by age group and
by their level of approval.
Age Group
under 25
25 to 40
over 40
Total
Approve
12
26
38
76
Disapprove
31
20
21
72
Indifferent
30
8
24
62
a) approved?
b) did not disapprove?
Total
73
54
83
210
Report answers accurate to at least 4 decimal places.
1. What is the probability that a randomly selected employee:
a) did not disapprove?
b) was in the 25 to 40 age group and approved?
c) was not in the 25 to 40 age group and approved?
d) was in the under 25 age group or disapproved?
e) was not in the under 25 age group or disapproved?
f) was not under 25 and did not disapprove?
2. Given that an employee was in the 25 to 40 age group, what is the probability that the employee
a) approved?
b) did not disapprove?
3. What is the probability of selecting an employee that was in the under 25 age group from a group of
employees that
Transcribed Image Text:The following joint frequency distribution table shows responses from a sample of 210 unionized employees on how their union president handled a recent labour action. Employees were categorized by age group and by their level of approval. Age Group under 25 25 to 40 over 40 Total Approve 12 26 38 76 Disapprove 31 20 21 72 Indifferent 30 8 24 62 a) approved? b) did not disapprove? Total 73 54 83 210 Report answers accurate to at least 4 decimal places. 1. What is the probability that a randomly selected employee: a) did not disapprove? b) was in the 25 to 40 age group and approved? c) was not in the 25 to 40 age group and approved? d) was in the under 25 age group or disapproved? e) was not in the under 25 age group or disapproved? f) was not under 25 and did not disapprove? 2. Given that an employee was in the 25 to 40 age group, what is the probability that the employee a) approved? b) did not disapprove? 3. What is the probability of selecting an employee that was in the under 25 age group from a group of employees that
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 6 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman