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The probability that a new DVD player will go into warranty repair within a year is 0.045. In a certain city, 51 out of 1000 DVD players sold during the year, the warranty workshop received 51 pieces. How much does the frequency of the "warranty repair" event differ from its probability in this city?

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answers: 1
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The frequency (relative frequency) of the "warranty repair" event is 51 : 1000 = 0.051. It differs from the predicted probability by 0.006.

Answer: 0.006.

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