Hint(s) Check My Work A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. ● Single Policyholders 71320 Married Policyholders 122=740 Number making claims = 64 Number making claims = 111 a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) We can conclude that there is the difference between claim rates. b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number. ) Hide Feedback Partially Correct Hint(s) Check My Work O Icon Key
Hint(s) Check My Work A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. ● Single Policyholders 71320 Married Policyholders 122=740 Number making claims = 64 Number making claims = 111 a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) We can conclude that there is the difference between claim rates. b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number. ) Hide Feedback Partially Correct Hint(s) Check My Work O Icon Key
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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1
Pence Between Two Population Proportions)
O
Hint(s) Check My Work
A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year
period.
●
Single Policyholders
n1= 320
Married Policyholders
72 740
Number making claims 64
Number making claims = 111
a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders.
z-value
(to 2 decimals)
p-value
(to 4 decimals)
We can conclude
that there is the difference between claim rates.
b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number.
)
Hide Feedback
Partially Correct
Hint(s) Check My Work
O Icon Key
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Transcribed Image Text:B.
4.
5.
esc
1
Pence Between Two Population Proportions)
O
Hint(s) Check My Work
A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year
period.
●
Single Policyholders
n1= 320
Married Policyholders
72 740
Number making claims 64
Number making claims = 111
a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders.
z-value
(to 2 decimals)
p-value
(to 4 decimals)
We can conclude
that there is the difference between claim rates.
b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number.
)
Hide Feedback
Partially Correct
Hint(s) Check My Work
O Icon Key
Aa
DII
000
000
F6
F8
F7
F4
O
!
1
0
F1
Q
@
2
F2
W
#3
80
F3
E
$
4
R
%
5
:
F5
T
< 6
6
Y
&
7
U
* 00
8
(
9
DD
F9
-
O
)
0
A
F10
P
a
F11
{
+
=
F12
}
]
Question 5 of 5
O
4
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