Statistics

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In his management information systems textbook,Professor David Kroenke raises and interesting point:"If 98% of our market has Internet access,do we have a responsibility to provide non-Internet materials to that other 2%?Suppose that 98% of the customers in your market have Internet access,and you select a random sample of 500 customers.What is the probablity that the sample has
a.greater than 99% of the customers with internet access?
b..between 97% and 99% of the customers with internet access?
c.fewer than 97% of the customers with Internet access?

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