Homework Help is Here – Start Your Trial Now!
Math
Statistics
8. Suppose that X and Y are means from two large (larger than 30) independent samples E(X)= 106; Var (X)= 16; E(Y)-98; Var(Y) =9. Based on the Central Limit Theorem, we can say that P(X-Y>10) is approximately: (A) 0.3446 (B) 0.2236 (C) 0.4681 (D) 0.3859 (E) 0.0228

8. Suppose that X and Y are means from two large (larger than 30) independent samples E(X)= 106; Var (X)= 16; E(Y)-98; Var(Y) =9. Based on the Central Limit Theorem, we can say that P(X-Y>10) is approximately: (A) 0.3446 (B) 0.2236 (C) 0.4681 (D) 0.3859 (E) 0.0228

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

please show the step by step solution and provide an explanation on why that is the right answer. Please do not skip steps.

Answer is A 8. Suppose that X and Y are means from two large (larger than 30) independent samples E(X)= 106; Var (X) = 16; E(Y) =98; Var(Y) = 9. Based on the Central Limit Theorem, we can say that P(X-Y>10) is approximately: (A) 0.3446 (B) 0.2236 (C) 0.4681 (D) 0.3859 (E) 0.0228
Transcribed Image Text:Answer is A 8. Suppose that X and Y are means from two large (larger than 30) independent samples E(X)= 106; Var (X) = 16; E(Y) =98; Var(Y) = 9. Based on the Central Limit Theorem, we can say that P(X-Y>10) is approximately: (A) 0.3446 (B) 0.2236 (C) 0.4681 (D) 0.3859 (E) 0.0228
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

Can you explain why it is you added V(X-Y) = V(X) + V(Y) = 16 + 9 =25? What is the reasoning behind it? What if it was V(X+Y)? Would you then do the opposite and subtract

= V(X) - V(Y) = 16 - 9 = 7? 

Solution
Bartleby Expert
SEE SOLUTION
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
SEE MORE TEXTBOOKS