Multiple Choice
A private opinion poll is conducted for a politician to determine what proportion of the population favorsadding more national parks. How large a sample is needed in order to be 90% confident that the sampleproportion will not differ from the true proportion by more than 5%?
A) 271
B) 164
C) 542
D) 9
Correct Answer:
Verified
Correct Answer:
Verified
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