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Mathematics 13 Online
OpenStudy (anonymous):

a set of data is normally distributed with a mean of 52 and a standard deviation of 5 what percentage of the data is in the invterval 47-57

OpenStudy (anonymous):

That is the region within exactly one standard deviation of the mean. It is recognised that 68.26894921371% of incidents occur in this region over a large enough sample.

OpenStudy (anonymous):

thanks bro really helped

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