lilstar18101 lilstar18101

12-03-2024
Mathematics

contestada

Suppose x Â N(8,1). What value of x has a z-score of -2.25?

Respuesta :

jimthompson5910 jimthompson5910

12-03-2024

Answer: x = 5.75

Work Shown

z = (x - mu)/sigma

-2.25 = (x - 8)/1

-2.25 = x - 8

x = -2.25 + 8

x = 5.75

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