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Week 9_Normal Distribution (Empirical Rule)

Authored by Rosalie Espinosa

Mathematics

9th Grade

CCSS covered

Used 3+ times

Week 9_Normal Distribution (Empirical Rule)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What shape is a normal distribution curve?

Half curve
Round curve
Bell curve
Square curve

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, what percentage of data falls within 1 standard deviation? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, how much of the data falls within 3 standard deviations? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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%

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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%

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, what percentage of data falls within 1 standard deviation? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, how much of the data falls within 3 standard deviations? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

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