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
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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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Question
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
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
p 2 equals
B.
p 1 equals
p 2 equals
C.
p 1 equals
p 2 equals
D.
mu 1 equals
mu 2 equals
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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