Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. ​(Type an integer or a decimal. Do not​ round.)   A. It can be said that enter your response here   ​% of the population has a driving distance to work​ (in miles) that is between the​ interval's endpoints.   B. enter your response here   ​% of all random samples of seven people from the population will have a mean driving distance to work​ (in miles) that is between the​ interval's endpoints.   C. With enter your response here   ​% ​confidence, it can be said that most driving distances to work​ (in miles) in the population are between the​ interval's endpoints.   D. With enter your response here   ​% ​confidence, it can be said that the population mean driving distance to work ​ (in miles) is between the​ interval's endpoints.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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In a random sample of
seven
​people, the mean driving distance to work was
22.1
miles and the standard deviation was
5.1
miles. Assuming the population is normally distributed and using the​ t-distribution, a
95​%
confidence interval for the population mean
μ
is
(17.4, 26.8)
​(and the margin of error is
4.7​).
Through​ research, it has been found that the population standard deviation of driving distances to work is
5.6.
Using the standard normal distribution with the appropriate calculations for a standard deviation that is​ known, find the margin of error and construct a
95​%
confidence interval for the population mean
μ.
Interpret and compare the results.
 
Interpret the results. Select the correct choice below and fill in the answer box to complete your choice.
​(Type an integer or a decimal. Do not​ round.)
 
A.
It can be said that
enter your response here
 
​%
of the population has a driving distance to work​ (in miles) that is between the​ interval's endpoints.
 
B.
enter your response here
 
​%
of all random samples of
seven
people from the population will have a mean driving distance to work​ (in miles) that is between the​ interval's endpoints.
 
C.
With
enter your response here
 
​%
​confidence, it can be said that most driving distances to work​ (in miles) in the population are between the​ interval's endpoints.
 
D.
With
enter your response here
 
​%
​confidence, it can be said that the population mean driving distance to work ​ (in miles) is between the​ interval's endpoints.
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