1. The area under the standard normal curve to the right of Z = 0 is ____

A. 05

B. 0.5

C. .25

D. .75

E. 1.0

2 .Find the area under the standard normal curve that lies to the left of Z = 1.75

A. .8573

B. .2593

C. .0401

D. .9599

E. .9959

3.Find the area under the standard normal curve that lies to the right of Z = -2.575

A. .0050

B. .9950

C. .9590

D. .0500

E. .9500

4.Find the area between Z = -2.00 and Z = 2.00?

A. .9544

B. .9544

C. .9772

D. .0228

E. .9454

5.Find the area between Z = -3.00 and Z = 3.00?

A. .9799

B. .9974

C. -.9974

D. .9987

E. .0013

6.Find the two values of Z that contain the middle 50% of the area under the standard normal curve?

A. Z =-0.67 and Z = 0.67

B. Z = 0.00 and Z = 0.67

C. Z = -.500 and Z = 0.50

D. Z = -.67 and Z = 0.00

E. Z = 1.00 and Z = 1.50

7.For a standard normal distribution, find the percentage of data that are within 2 standard deviations of the mean.

A. 95.44

B. 97.72

C. 02.28

D. 97.44

E. 99.74