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A set of data with a mean of 40 and a standard deviation of 5.1 is normally distributed find the value that is -2 standard deviations from the mean A.25.7 B.29.8 C.34.9 D.45.1…
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A set of data with a mean of 40 and a standard deviation of 5.1 is normally distributed find the value that is -2 standard deviations from the mean A.25.7 B.29.8 C.34.9 D.45.1…
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Jun 18, 2019
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A set of data with a mean of 40 and a standard deviation of 5.1 is normally distributed find the value that is -2 standard deviations from the mean
A.25.7
B.29.8
C.34.9
D.45.1
Mathematics
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Alfio
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Alfio
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Hello!
Since it is -2 deviations we are going down
We subtract 5.1 from 40 two times
40 - 5.1 = 34.9
34.9 - 5.1 = 29.8
The answer is 29.8
Hope this helps!
Nicholas Hazen
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Jun 25, 2019
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Nicholas Hazen
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