26-04-2021
Mathematics

contestada

The mean is 80, the standard deviation is 5. What number is 2.5 standard deviations above the mean? It is a normal distribtion.

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nsoromakarmue nsoromakarmue

26-04-2021

Answer:

So the final answers would be (90 > z)-P(80<z) = .47725 or 47.725%

Step-by-step explanation:

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