6.2 不 Question 3 of 17 This quiz: 17 point(s) possible This question: 1 point(s) possible Submit quiz In a random sample of four mobile devices, the mean repair cost was $80.00 and the standard deviation was $12.50. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean pis (Round to two decimal places as needed.) The margin of error is $ ··· (Round to two decimal places as needed.) Interpret the results. Choose the correct answer below. A. If a large sample of mobile devices are taken approximately 95% of them will have repair costs between the bounds of the confidence interval. B. With 95% confidence, it can be said that the population mean repair cost is between the bounds of the confidence interval. C. It can be said that 95% of mobile devices have a repair cost between the bounds of the confidence interval. OD. With 95% confidence, it can be said that the repair cost is between the bounds of the confidence interval. Q Search L F4 0+ F7 F5 F6 F3 % 805 S4 #3 2 W E S R > CO 6 + F8 7 24 & * 8 Y F9 F10 F11 ( OD У G H J K > 0 P F12 is Delete Insert PrtSc + { } [ ] X V B N M V ? All 11 Next 4:31 PM 3/18/2024 PRE Backspace Num Lock Enter PgUp Home 8 4 6 * LO 144 PgUp 2 Shift End Alt Ctrl End Home PgDn 3
6.2 不 Question 3 of 17 This quiz: 17 point(s) possible This question: 1 point(s) possible Submit quiz In a random sample of four mobile devices, the mean repair cost was $80.00 and the standard deviation was $12.50. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean pis (Round to two decimal places as needed.) The margin of error is $ ··· (Round to two decimal places as needed.) Interpret the results. Choose the correct answer below. A. If a large sample of mobile devices are taken approximately 95% of them will have repair costs between the bounds of the confidence interval. B. With 95% confidence, it can be said that the population mean repair cost is between the bounds of the confidence interval. C. It can be said that 95% of mobile devices have a repair cost between the bounds of the confidence interval. OD. With 95% confidence, it can be said that the repair cost is between the bounds of the confidence interval. Q Search L F4 0+ F7 F5 F6 F3 % 805 S4 #3 2 W E S R > CO 6 + F8 7 24 & * 8 Y F9 F10 F11 ( OD У G H J K > 0 P F12 is Delete Insert PrtSc + { } [ ] X V B N M V ? All 11 Next 4:31 PM 3/18/2024 PRE Backspace Num Lock Enter PgUp Home 8 4 6 * LO 144 PgUp 2 Shift End Alt Ctrl End Home PgDn 3
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 3 of 17
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In a random sample of four mobile devices, the mean repair cost was $80.00 and the standard deviation was $12.50. Assume the population is normally distributed and use
a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results.
The 95% confidence interval for the population mean pis
(Round to two decimal places as needed.)
The margin of error is $
···
(Round to two decimal places as needed.)
Interpret the results. Choose the correct answer below.
A. If a large sample of mobile devices are taken approximately 95% of them will have repair costs between the bounds of the confidence interval.
B. With 95% confidence, it can be said that the population mean repair cost is between the bounds of the confidence interval.
C. It can be said that 95% of mobile devices have a repair cost between the bounds of the confidence interval.
OD. With 95% confidence, it can be said that the repair cost is between the bounds of the confidence interval.
Q Search
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Question 3 of 17
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In a random sample of four mobile devices, the mean repair cost was $80.00 and the standard deviation was $12.50. Assume the population is normally distributed and use
a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results.
The 95% confidence interval for the population mean pis
(Round to two decimal places as needed.)
The margin of error is $
···
(Round to two decimal places as needed.)
Interpret the results. Choose the correct answer below.
A. If a large sample of mobile devices are taken approximately 95% of them will have repair costs between the bounds of the confidence interval.
B. With 95% confidence, it can be said that the population mean repair cost is between the bounds of the confidence interval.
C. It can be said that 95% of mobile devices have a repair cost between the bounds of the confidence interval.
OD. With 95% confidence, it can be said that the repair cost is between the bounds of the confidence interval.
Q Search
L
F4
0+
F7
F5
F6
F3
%
805
S4
#3
2
W
E
S
R
>
CO
6
+
F8
7
24
&
*
8
Y
F9
F10
F11
(
OD
У
G
H
J
K
>
0
P
F12
is
Delete
Insert
PrtSc
+
{
}
[
]
X
V
B
N
M
V
?
All
11
Next
4:31 PM
3/18/2024
PRE
Backspace
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PgUp
Home
8
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