College X Is Concerned About Their Employees Making Use of Their

question 21

Multiple Choice

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 90%
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