Asked by Samantha
An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%.
The sample used actually included 130 college seniors but 30 of the seniors refused to answer. This nonreponse could cause the survey result to be in error.
The error due to nonresponse:
A) is included in the margin of error (9.9%) calculated for the confidence interval.
B) is in addition to the margin of error (9.9%) calculated for the confidence interval.
C) can be ignored because it is random.
D) can be ignored because the sample size is greater than 30.
The sample used actually included 130 college seniors but 30 of the seniors refused to answer. This nonreponse could cause the survey result to be in error.
The error due to nonresponse:
A) is included in the margin of error (9.9%) calculated for the confidence interval.
B) is in addition to the margin of error (9.9%) calculated for the confidence interval.
C) can be ignored because it is random.
D) can be ignored because the sample size is greater than 30.
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