Finding The Area Under The Standard Normal Distribution Curve

Where can we locate the mean in the normal curve?

• to the left portion

• to the right portion

• at the center

• on the z - axis

Find the area under the standard normal curve to the right of z = -2.67.

• 0.0869
• 0.9962
• 0.0008
• 0.1234

Find the area under the normal distribution curve to the left of 
Z=0.27.

• 0.3936
• 0.3897
• 0.6064
• 0.4892

Find the area under the normal distribution curve that represents the area to the left of Z =-2.37.

• 0.0089
• 0.9910
• 0.1401
• 0.1381

Find the area under the normal distribution curve between 
z=-1.53 and z=0.

• 0.437
• 0.563
• 0.500
• 0.063

Find the area under the normal distribution curve between a z=-1.26 and z=.57. 

• 0.0047
• 0.9204
• 0.6119
• 0.4981

If Gonzalo's score is 87, the class average is 82, and the SD is 4, what is Gonzalo's Z-score?

• -1.25
• +1.25
• +1.20
• +1.02

The normal curve is symmetrical about the mean.

• True
• False

Find the area of the shaded region if the z-score is 1.25

• 0.1056
• 0.8944
• 0.8849
• 0.1151

Find the area of the shaded region if the z-score is 0.75

• 0.2266
• 0.7734
• 0.758
• 0.242