College X is concerned about their employees making use of their email for non-business purposes. A random sample of 400 e-mails discovered 60 messages that were not business related. The 95% confidence interval for the population proportion is:
A) 0.104 to 0.196
B) 0.115 to 0.185
C) 0.148 to 0.252
D) 0.121 to 0.179
E) 0.186 to 0.254
Correct Answer:
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