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Mathematics, 14.05.2021 18:50 vorhees2406

The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of 82.1 minutes and a standard deviation of 6.5 minutes.
If the company distributes 5.5 million CDs in one year, what is the approximate number of CDs that have content lasting less than
70 minutes?

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