Statistics -?

Question

On the normal curve find the area
1)between -.23 and 2.23
2)to the left of -.75
3)to the right of -1.34

Answer 1

1) 0.578080
2) 0.226627
3) 0.909877

Answer 2

-.75= 0.2266 and -1.34=0.0901 and between=0.57814