M=6 A company in Kuwait has 500 employees; 150 Kuwaitis and 350 expatriates. A random sample of size M*10 employees, without replacement, was selected from all employees to complete a survey about health and safety. Let X, be the number of Kuwaitis in this random sample. Answer the following questions. a) Find P(X = M + 2) b) Find the probability that there is 7*M expatriates in this sample. c) What is the expected value and variance of 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
icon
Related questions
Question
A=66
M=6
A company in Kuwait has 500 employees; 150 Kuwaitis and 350 expatriates. A
random sample of size M*10 employees, without replacement, was selected from all
employees to complete a survey about health and safety. Let X, be the number of
Kuwaitis in this random sample. Answer the following questions.
a) Find P(X =M * 2)
%3D
b) Find the probability that there is 7*M expatriates in this sample.
c) What is the expected value and variance of X?
d) Find P(23 s XS 25).
Transcribed Image Text:A=66 M=6 A company in Kuwait has 500 employees; 150 Kuwaitis and 350 expatriates. A random sample of size M*10 employees, without replacement, was selected from all employees to complete a survey about health and safety. Let X, be the number of Kuwaitis in this random sample. Answer the following questions. a) Find P(X =M * 2) %3D b) Find the probability that there is 7*M expatriates in this sample. c) What is the expected value and variance of X? d) Find P(23 s XS 25).
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 1 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