Mathematics, 06.07.2019 21:10, jenkinjack7654

Facespace is a popular form of social media. recent 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 3900 people are on in one sitting, how many of them lie
within one standard deviation below the mean and
two standard deviations above the mean?

Answers: 1

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Facespace is a popular form of social media. recent reports
show that the mean time spent on...