Question

Identify the regions under the normal curve of the following standard normal values using the z table (refer to

the last page of this module).

1.) z = - 3.25 _____ 6.) z = -1.33 _____

2.)z = 1.25 ______ 7.) z = -2.5 _____

3.) z = 0.56 _____ 8.) z = 0.29 _____

4.) z = 3 ________ 9.) z = - 0.13 ____

5.)z = 1.96 ______ 10.) z = - 1.96 _____

Answer 1

1.

$$P(Z<-3.25)=0.000577$$

2.

$$P(Z<1.25)=0.894350$$

3.

$$P(Z<0.56)=0.712260$$

4.

$$P(Z<3)=0.998650$$

5.

$$P(Z<1.96)=0.975002$$

6.

$$P(Z<-1.33)=0.091759$$

7.

$$P(Z<-2.5)=0.006210$$

8.

$$P(Z<0.29)=0.614092$$

9.

$$P(Z<-0.13)=0.448283$$

10.

$$P(Z<-1.96)=0.024998$$