A Cell Phone Company Wants to Determine If the Use

question 30

Multiple Choice

A cell phone company wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers. Based on the data above what is the expected value for the "under 21 and regularly use text messaging" cell?

• A) 82
• B) 50
• C) 120
• D) 58

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