Multiple Choice
Elwin Osbourne, CIO at GFS, Inc., is studying employee use of GFS e-mail for non-business communications.He plans to use a 95% confidence interval estimate of the proportion of e-mail messages that are non-business; he will accept a 0.05 error.Previous studies indicate that approximately 30% of employee e-mail is not business related.Elwin should sample _______ e-mail messages.
A) 323
B) 12
C) 457
D) 14
E) 100
Correct Answer:
Verified
Correct Answer:
Verified
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