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August 2, 2015

Homework Help: data management

Posted by kim on Sunday, November 6, 2011 at 1:45pm.

A survey of 1000 veiwers conducted by a television station produced the following data:
40% watched the news at 12:00
60% watched the news at 18:00
50% watched the news at 23:00
25% watched at 12:00 and 18:00
20% watched at 12:00 and 18:00
20% watched at 18:00 and 23:00
10% watched all three broadcasts

What percent watch at least one of these programs?

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