DonnV469493 DonnV469493

29-10-2022
Mathematics

contestada

Suppose X ~ N(9,1). What value of x has a Z-score of -4.25?

Respuesta :

TariqueV177599 TariqueV177599

29-10-2022

we have that

z =(x - μ)/σ

we have

μ=9

σ=1

Z=-4.25

substitute given values

-4.25=(x-9)/1

x=-4.25+9

x=4.75

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