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Mathematics, 09.08.2021 03:40 mamaKelly2266

Facespace is a popular form of social media. iecent reports show that the mean time spent on Facespace is 40 minutes a
day with a standard deviation of 6 minutes a day. The data is
normally distributed.
If 9700 people are on in one sitting, how many of them lie
within three standard deviations below the mean and
one standard deviation above the mean?

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Answers: 1

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