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It is known that people in the USA spend on average 18 hours a day using electronic devices with a standard deviation of 5.8 hours.

It is known that people in the USA spend on average 18 hours a day using electronic devices with a standard deviation of 5.8 hours. This data follows a normal distribution.

  • What is the probability someone spends less than 13 hours using electronic devices a day? (round your answer to 4 decimals)

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