curetyu63862
contestada

In a study of 82 Halo game players, it was found that the ages of these players were normally distributed, with a mean age of 17 years and a standard deviation of 3 years. Find the z score for a 21 year old.

Respuesta :

chibunduoyibe

Step-by-step explanation:

z=(21-17)/3

z=4/3

z=1.3333

[tex]\\ \sf\longmapsto z=\dfrac{Age-Mean}{Standard\: deviation}[/tex]

[tex]\\ \sf\longmapsto z=\dfrac{21-17}{3}[/tex]

[tex]\\ \sf\longmapsto z=\dfrac{4}{3}[/tex]

[tex]\\ \sf\longmapsto z=1.3[/tex]

Otras preguntas