What is the total area under the standard normal distribution curve?

• 0
• 1
• 0.997
• 4

What percentage of the area falls below the mean?

• 0.34
• 0.45
• 0.5
• 0.67

Tags

CCSS.HSS.ID.A.4

The standard normal distribution is a normal distribution with a mean of ____ and a standard deviation of ____.

• 0, 1
• 1, 0
• 0, 0.5
• 1, 0.5

Which statement is valid?

• None of the options

• Probability = -0.89

• Probability = 1.89

• Probability = 1

Tags

CCSS.7.SP.C.5

Which gray area shows a probability closer to 0.5?

• 
• 
• 
• 

Tags

CCSS.7.SP.C.5

If you had to guess the probability of the gray area, which would you choose?

• 0.2

• 0.4

• 0.6

• 0.8

Tags

CCSS.7.SP.C.5

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

• 0.3936
• 0.3897
• 0.6064
• 0.4892

Tags

CCSS.HSS.ID.A.4

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

• 0.437
• 0.563
• 0.500
• 0.063

Tags

CCSS.HSS.ID.A.4

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

• 0.0869
• 0.9962
• 0.0008
• 0.1234

Tags

CCSS.HSS.ID.A.4

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

• 0.0047
• 0.9204
• 0.6119
• 0.4981

Tags

CCSS.HSS.ID.A.4