CCSS.Math.Content.HSS.ID.A.4

What percentage of the data is between 40 and 150?

• 25 %
• 50%
• 75%
• 100%

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CCSS.Math.Content.HSS.ID.A.4

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

• 68%
• 34%
• 16%
• 2.5%

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CCSS.Math.Content.HSS.ID.A.4

Find the value for 
P(Z < -0.39)

• 0.3498
• 0.3483
• 0.3501
• 0.6502

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CCSS.Math.Content.HSS.ID.A.4

The mean GPA of students in a course at UCDavis is 3.2 with a standard deviation of 0.3. What percent of students in the course have a GPA between 2.9 and 3.8? 

• 81.85%
• 47.5%
• 68%
• 95%

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CCSS.Math.Content.HSS.ID.A.4

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

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CCSS.Math.Content.HSS.ID.A.4

The speeds of cars on the highway have a mean of 95 km/h with a standard deviation of 5 km/h. What percentage of cars averaged less than 85 km/h?

• .15%

• 2.35%

• 2.5%

• 18.5%

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CCSS.Math.Content.HSS.ID.A.4

At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?

• 68%
• 99.7%
• 95%
• 84%

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CCSS.Math.Content.HSS.ID.A.4

What is normal distribution?

• A symmetrical bell-shaped graph

• A graph that is skewed to the right

• A graph that is skewed to the left

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CCSS.Math.Content.HSS.ID.A.4

The positive standard deviations on a normal distribution curve mean what?

• Below average

• Above average

• Average

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CCSS.Math.Content.HSS.ID.A.4

The positive standard deviations on a normal distribution curve mean what?

• Below average

• Above average

• Average

Tags

CCSS.Math.Content.HSS.ID.A.4