Assume that the sample is a simple random sample obtained from a normally distributed population of flight delays at an airport. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard deviation is within 20% of the population standard deviation. A histogram of a sample of those arrival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size? To be 95% confident that s is within 1% 5% 10% 20% 30% 40% 50% of the value of a, the sample size 19.20s 768 192 48 21 12 8 n should be at least To be 99% confident that s is within 1% 5% 10% 20% 30% 40% 50% of the value of e, the sample size b 2181,336 336 85 38 22 14 n should be at least The minimum sample size needed is A histogram of a sample of those arival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size? OA The computed sample size should be multiplied by 2. OB. The computed minimum sample size is not likely comrect. OC. The computed minimum sample size is likely comrect. OD. The computed sample size should be dvided by 2.
Assume that the sample is a simple random sample obtained from a normally distributed population of flight delays at an airport. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard deviation is within 20% of the population standard deviation. A histogram of a sample of those arrival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size? To be 95% confident that s is within 1% 5% 10% 20% 30% 40% 50% of the value of a, the sample size 19.20s 768 192 48 21 12 8 n should be at least To be 99% confident that s is within 1% 5% 10% 20% 30% 40% 50% of the value of e, the sample size b 2181,336 336 85 38 22 14 n should be at least The minimum sample size needed is A histogram of a sample of those arival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size? OA The computed sample size should be multiplied by 2. OB. The computed minimum sample size is not likely comrect. OC. The computed minimum sample size is likely comrect. OD. The computed sample size should be dvided by 2.
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
Transcribed Image Text:Assume that the sample is a simple random sample obtained from a normally distributed population of flight delays at an airport. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard
deviation is within 20% of the population standard deviation. A histogram of a sample of those arrival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size?
To be 95% confident that s is
within
of the value of e, the sample size 19.205 768 192 48 21 12 8
n should be at least
To be 99% confident that s is
within
of the value of a, the sample size
n should be at least
1%
5%
10% 20% 30% 40% 50%
1%
5% 10% 20% 30% 40% 50%
ka2181.336 336 85 38 22
14
The minimum sample size needed is
A histogram of a sample of those arrival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size?
OA The computed sample size should be multiplied by 2.
OB. The computed minimum sample size is not likely correct
OC. The computed minimum sample size is likely correct.
OD. The computed sample size should be divided by 2.
Click to select your answerls).
MacBook Air
%24
&
3
4
5
6
8
9.
delete
Q
E
tab
R
Y
P
caps lock
D
F
G
H
K
return
B
N
M
control
option
command
command
option
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Knowledge Booster
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.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