The Next Questions Are Based On The Following Information:
The U.S.Postal Service advertises that at least 63.4% of all third class mail is read by the recipients.An environmental group,concerned about waste production wants to test this assertion.They take a sample of 220 households and find that only 58.7% read their third class mail.
-What would the environmental group's decision rule be?
A) Reject H0 if (
- P0) /
< -zα/2
B) Reject H0 if (
- P0) /
< -zα
C) Reject H0 if (
- P0) /
> -zα/2
D) Reject H0 if (
- P0) /
< -zα
Correct Answer:
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