12. Assume the average income of workers in Jordan equal 400 JD, a sample of 500 workers are taken and found that the sampling error is 10 and the standard deviation equal 5 , what is the value of the sample mean? (1/1 Point) 2 -2 410 390 None of Above

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
100%
4:47
Mid-Statistics Exam First Semester (Statisti...
None of Above
Section
12. Assume the average income of workers in
Jordan equal 400 JD, a sample of 500 workers are
taken and found that the sampling error is 10 and
the standard deviation equal 5 , what is the value
of the sample mean?*
(1/1 Point)
-2
410 v
390
None of Above
Section
13. From a table below calculate the variance of a
discrete random variable
1
2
3.
4
P(X) 0.1
0.2
0.4
0.30
Edit
(2/2 Points)
Transcribed Image Text:4:47 Mid-Statistics Exam First Semester (Statisti... None of Above Section 12. Assume the average income of workers in Jordan equal 400 JD, a sample of 500 workers are taken and found that the sampling error is 10 and the standard deviation equal 5 , what is the value of the sample mean?* (1/1 Point) -2 410 v 390 None of Above Section 13. From a table below calculate the variance of a discrete random variable 1 2 3. 4 P(X) 0.1 0.2 0.4 0.30 Edit (2/2 Points)
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE 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