bcardoso07 bcardoso07

01-02-2017
Mathematics

contestada

If 1,000 students take a test that has a mean of 40 minutes, a standard deviation of 8 minutes, and is normally distributed, how many would you expect would finish in more than 40 minutes?

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casltiel2 casltiel2

01-02-2017

I get .8186 between 24 and 48
so
about 819 out of 1000

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