A key metric in the cell phone industry is average revenue per user (ARPU), which represents the
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A key metric in the cell phone industry is average revenue per user (ARPU), which represents the average dollar amount that a customer spends per store visit. In 2011, AT&T reported their ARPU as $63.83. Suppose the standard deviation for this population is $21.90. What is the probability that the ARPU will be between $60 and $63 from a random sample of 31 customers?
Related Book For
Global Marketing management
ISBN: 978-0470505748
5th edition
Authors: Masaaki Kotabe, Kristiaan Helsen
Posted Date: