Respuesta :
[tex]z=\frac{X-\mu}{\sigma}[/tex]
[tex]z=\frac{3300-3000}{250}=1.2[/tex]
The required z-score is 1.2
[tex]z=\frac{3300-3000}{250}=1.2[/tex]
The required z-score is 1.2