Elwin Osbourne, CIO at GFS, Inc

Elwin Osbourne, CIO at GFS, Inc., is studying employee use of GFS e-mail for non-business communications.He plans to use a 98% 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 approximately _______ e-mail messages.

A) 323
B) 12
C) 456
D) 14
E) 100

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free