Respuesta :
Given mean μ = 7.6 and standard deviation σ =3.1
The z score value for x= 5 is given by
Z = [tex] \frac{x - mean}{standard deviation} [/tex]
Z = [tex] \frac{5 - 7.6}{3.1 } [/tex]
Z = -0.8387
The Z- score value rounded to nearest tenth is -0.8
The correct answer choice is A. -0.8
