Among​ 5,000 items of randomly selected baggage handled by American​ Airlines, 20   were lost. Among​ 4,000 items of randomly selected baggage handled by Delta​ Airlines, 18   were lost.   Use a 0.01 significance level to test the claim that both airlines lose the same proportion of baggage. a. Define the parameters     A. p 1 equals   The proportion of baggage carried by American that arrived​ on-time p 2 equals   The proportion of baggage carried by Delta that arrived​ on-time   B. p 1 equals   The proportion of bags selected from American Airlines p 2 equals   The proportion of bags selected from Delta Airlines   C. p 1 equals   The proportion of all baggage lost by American Airlines p 2 equals   The proportion of all baggage lost by Delta Airlines   D. mu 1 equals   The mean number of bags lost by American airlines mu 2 equals   The mean number of bags lost by Delta airlines   b. State the null and alternative hypotheses     A. Upper H 0 : p 1 equals p 2 Upper H 1 : p 1 less than p 2     B. Upper H 0 : mu 1 equals mu 2 Upper H 1 : mu 1 greater than mu 2     C. Upper H 0 : p 1 equals p 2 Upper H 1 : p 1 not equals p 2     D. Upper H 0 : p 1 equals 20    Upper H 1 : p 2 greater than 18     c. Calculate the​ P-value. Which of these options is closest to its​ value?     A. 0.7151     B. 0.3671     C. 0.7162     D. 0.7173     d. State the technical conclusion     A. Reject Upper H 0     B. Do not reject Upper H 0     e. State the final conclusion     A. The sample data support the claim.   B. There is sufficient evidence to warrant rejection of the claim.   C. There is not sufficient sample evidence to support the claim.   D. There is not sufficient evidence to warrant rejection of the claim.   f. Does there appear to be a significant difference between these two airlines in terms of lost​ baggage?     A. No   B. Yes

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Among​ 5,000 items of randomly selected baggage handled by American​ Airlines,

20
 

were lost. Among​ 4,000 items of randomly selected baggage handled by Delta​ Airlines,

18
 
were lost.
 
Use a 0.01 significance level to test the claim that both airlines lose the same proportion of baggage.
a. Define the parameters
 
 
A.
p 1 equals
 
The proportion of baggage carried by American that arrived​ on-time
p 2 equals
 
The proportion of baggage carried by Delta that arrived​ on-time
 
B.
p 1 equals
 
The proportion of bags selected from American Airlines
p 2 equals
 
The proportion of bags selected from Delta Airlines
 
C.
p 1 equals
 
The proportion of all baggage lost by American Airlines
p 2 equals
 
The proportion of all baggage lost by Delta Airlines
 
D.
mu 1 equals
 
The mean number of bags lost by American airlines
mu 2 equals
 
The mean number of bags lost by Delta airlines
 
b. State the null and alternative hypotheses
 
 
A.
Upper H 0 : p 1 equals p 2 Upper H 1 : p 1 less than p 2
 
 
B.
Upper H 0 : mu 1 equals mu 2 Upper H 1 : mu 1 greater than mu 2
 
 
C.
Upper H 0 : p 1 equals p 2 Upper H 1 : p 1 not equals p 2
 
 
D.
Upper H 0 : p 1 equals

20

  
Upper H 1 : p 2 greater than

18

 
 
c. Calculate the​ P-value. Which of these options is closest to its​ value?
 
 
A.
0.7151
 
 
B.
0.3671
 
 
C.
0.7162
 
 
D.
0.7173
 
 
d. State the technical conclusion
 
 
A.
Reject Upper H 0
 
 
B.
Do not reject Upper H 0
 
 
e. State the final conclusion
 
 
A.
The sample data support the claim.
 
B.
There is sufficient evidence to warrant rejection of the claim.
 
C.
There is not sufficient sample evidence to support the claim.
 
D.
There is not sufficient evidence to warrant rejection of the claim.
 
f. Does there appear to be a significant difference between these two airlines in terms of lost​ baggage?
 
 
A.
No
 
B.
Yes
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