Multiple Choice
In 1995,13,000 WWW users were surveyed and asked about their willingness to pay fees for access to websites.Of these,2,938 were definitely not willing to pay such fees.How large a sample is necessary to estimate the proportion of interest to within 2 percent in a 95 percent confidence interval?
A) 18
B) 307
C) 1680
D) 2000
E) 2965
Correct Answer:

Verified
Correct Answer:
Verified
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