Multiple Choice
You plan to build a 95% confidence interval estimate of the mean of a large population.You want a margin of error no larger than +10.You estimate the population standard deviation to be 200.How large a sample is needed?
A) 1472
B) 1786
C) 1503
D) 1537
E) 1688
Correct Answer:
Verified
Correct Answer:
Verified
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