STANDARD NORMAL CURVE

What is half of the total area of the normal curve?

• -1

• 0

• 0.5

• 1

Answer explanation

What is the shape of a Normal Probability Distributions?

• bar

• bell

• circle

• line

Answer explanation

Which part of a normal curve is asymptotic with the horizontal axis?

• center

• curve

• tail

• top

Answer explanation

Under the curve, the area to the right of the mean is_________.

• 30%

• 47.72%

• 50%

• 68%

Answer explanation

Which of the following parameters is the basis of the shape of the normal curve?

• mean

• standard deviation

• variance

• both mean and standard deviation

Answer explanation

What is another term of z table?

• Table of Areas of Geometric Figure

• Table of Areas Under Normal Curve

• Table of Contents

• Periodic Table of Elements

Answer explanation

Which of the following does NOT belong to the group?

• to the right

• above

• to the left

• greater than

Answer explanation

* to the right

* above

* greater than

are the solution sets RIGHT from the mean

while

* to the left

are solution sets LEFT from the mean.

How many percents is the total area that corresponds to the right of 0 and to the left of 0?

• 25%

• 50%

• 75%

• 100%

Answer explanation

What is the corresponding area of z = -2.08 using the NEGATIVE z-table?

• .0188

• .0026

• .0192

• .5

What is the corresponding area of z = 0.08 using the POSITIVE z-table?

• .5

• .81057

• .53188

• .78814