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Solve the problem.
-A survey of 2,504 credit card users indicated that 1,167 had bought books online, 1,226 had bought music online, 431 had bought pet supplies online, 128 had bought both books and music, 227 had bought both books and pet
Supplies, 198 had bought both music and pet supplies, and 99 had bought all three. How many credit card users
Did not buy any of the three? How many bought either books or pet supplies but not music?
Yardsticks
Measures or standards used for comparison.
Preventive Actions
Measures taken to detect and eliminate potential causes of non-conformities or other undesirable situations before they occur.
Corrective Actions
Corrective actions refer to steps taken to identify, eliminate, and prevent the recurrence of undesirable behaviors or conditions in an organization or process.
Necessary
Essential or needed to achieve a specific outcome or fulfill a particular need.
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