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Mathematics, 09.12.2019 21:31 vanessa2002584

Aset of 1000 values has a normal distribution. the mean of the data is 120 and the standard deviation is 20. what percent of the data is in the range 110 to 130?

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Aset of 1000 values has a normal distribution. the mean of the data is 120 and the standard deviatio...
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