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April 19, 2014

Homework Help: statistics

Posted by UG on Tuesday, November 8, 2011 at 3:59pm.

A sample of 275 shoppers at a large suburban mall were asked two questions: (1) Did you see a television ad for
the sale at department store X during the past 2 weeks? (2) Did you shop at department store X during the past
2 weeks? The responses to the questions are summarized in the table. What is the probability that a randomly
selected shopper from the 275 questioned did not shop at department store X?

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