Asked by Francheska
A company with a fleet of 150 cars found that the emission systems of 7 out of 22 they tested failed to meet pollution control guidelines. Is this strong evidence that more than 20% of the fleet might be out of compliance?
You are writing the null and alternative hypotheses. Should you use a left-tailed, right-tailed or two-tailed HA?
A) Left-tailed
B) Right-tailed
C) Two-tailed
D) Does not make any difference
E) Unable to determine with the given information
Two-tailed?
You are writing the null and alternative hypotheses. Should you use a left-tailed, right-tailed or two-tailed HA?
A) Left-tailed
B) Right-tailed
C) Two-tailed
D) Does not make any difference
E) Unable to determine with the given information
Two-tailed?
Answers
Answered by
Kuai
It is right-tailed
Answer B
Answer B
Answered by
skadvlsadkvn
AZSCFk;lSDKLV
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