Asked by UG

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?
Answered by PsyDAG
Data is lacking.
Answered by Anonymous
What is the probability of the shoppers did not see the ad and did not shop at department store X?
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