that the In order to set rates, an insurance company is trying to est standard deviation is 2.8 days. How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day? OA. 1024 OB. 512 O C. 31 D. 141
that the In order to set rates, an insurance company is trying to est standard deviation is 2.8 days. How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day? OA. 1024 OB. 512 O C. 31 D. 141
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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In order to set rates, an insurance company is trying to estimate the number of sick days that full time workers at an auto repair shop take per year. A previous study indicated that the population
standard deviation is 2.8 days. How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day?
2
OA. 1024
OB. 512
O C. 31
OD. 141
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In order to set rates, an insurance company is trying to estimate the number of sick days that full time workers at an auto repair shop take per year. A previous study indicated that the population
standard deviation is 2.8 days. How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day?
2
OA. 1024
OB. 512
O C. 31
OD. 141
W
S
X
H
command
#3
E
D
C
$
4
R
F
G Search or type URL
er de
%
5
BARAN
V
T
G
< 6
MacBook Pro
B
Y
H
&
7
N
U
+00
J
*
8
|
M
(
9
K
<
O
<
H
)
O
L
A
command
P
:
I
Time Remaining: 01:26:21
.
;
I
option
{
[
21
+ 11
?
=
·: ר
O
}
]
Next
delete
1
retu
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