Answer:
The range of z-score is given below as
[tex]P(-1.21Using a graphing calculator, we will have the image be
[tex]\begin{gathered} P(z<-1.21)=0.11314 \\ P(z<2.26)=0.9881 \\ P(-1.21
Hence,The final answer is
[tex]P(-1.21\lt z\lt2.26)=0.8750[/tex]
