The Revenue Commissioners in Ireland conducted a contest for promotion. Of the 30 unsuccessful applicants, the mean age was 38.9 years with a standard deviation of 8.5. Of the 30 successful applicants, the mean age was 30.5 years with a standard deviation of 9.5. Test the claim that the unsuccessful applicants are from a population with a higher than the mean age of successful applicants at the .005 significance level. Claim: Select an answer v which corresponds to Select an answer Select an answer Opposite: Select an answer v |which corresponds HO: µ 1 sp.2 H1: p 1> p 2 The test is: Select an answer v HO: u 1 u 2 The test statistic is: t = HO: p 1sp 2 %3D The P-value is: Select an answer Н1: р 13р 2 H1: u 1 p 2 Conclusion There Select an answer v appear to H1: p 17u 2 unsuccessful applicants are from a population v applicants. ce to support the claim that the the mean age of successful H1: p 1

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The Revenue Commissioners in Ireland conducted a contest for promotion. Of the 30 unsuccessful
applicants, the mean age was 38.9 years with a standard deviation of 8.5. Of the 30 successful
applicants, the mean age was 30.5 years with a standard deviation of 9.5. Test the claim that the
unsuccessful applicants are from a population with a higher than the mean age of successful
applicants at the .005 significance level.
Claim: Select an answer v which corresponds to Select an answer
Select an answer
Opposite: Select an answer v which corresponds
HO: µ 1 sp 2
H1: p 1> p 2
The test is: Select an answer v
HO: u 12u 2
The test statistic is: t =
HO: p 1sp 2
H1: p 1 p 2
The P-value is: Select an answer
H1: u 1<u 2
Based on this we: Select an answer
H1: p 1>p 2
Conclusion There Select an answer v appear to H1: p 17u 2
unsuccessful applicants are from a population v
applicants.
ce to support the claim that the
the mean age of successful
H1: p 1<p 2
Submit Question
HO: u 1= p 2
pdt
earch for anything
Transcribed Image Text:The Revenue Commissioners in Ireland conducted a contest for promotion. Of the 30 unsuccessful applicants, the mean age was 38.9 years with a standard deviation of 8.5. Of the 30 successful applicants, the mean age was 30.5 years with a standard deviation of 9.5. Test the claim that the unsuccessful applicants are from a population with a higher than the mean age of successful applicants at the .005 significance level. Claim: Select an answer v which corresponds to Select an answer Select an answer Opposite: Select an answer v which corresponds HO: µ 1 sp 2 H1: p 1> p 2 The test is: Select an answer v HO: u 12u 2 The test statistic is: t = HO: p 1sp 2 H1: p 1 p 2 The P-value is: Select an answer H1: u 1<u 2 Based on this we: Select an answer H1: p 1>p 2 Conclusion There Select an answer v appear to H1: p 17u 2 unsuccessful applicants are from a population v applicants. ce to support the claim that the the mean age of successful H1: p 1<p 2 Submit Question HO: u 1= p 2 pdt earch for anything
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