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Chapter 2 Practice

Authored by Katlyn DeLaney

Mathematics

9th - 12th Grade

CCSS covered

Used 14+ times

Chapter 2 Practice
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16 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

3 mins • 1 pt

Use the following information and the Empirical Rule to estimate the answer.


The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.


Find the percentage of golfers that are between 30 and 46 years old.

68%

94%

95%

99.7%

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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? 

81.5%
47.5%
68%
95%

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

 28,000 km and 32,000 km.
24,000 km and 34,000 km.
26,000 km and 34,000 km.
27,000 km and 31,000 km.

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

95% of students at school weigh between 62 kg and 90 kg.

Assuming this data is normally distributed, what are the mean and standard deviation?

Mean = 66 kg

S.D. = 7 kg

Mean = 76 kg

S.D. = 7 kg

Mean = 86 kg

S.D. = 7 kg

Mean = 76 kg

S.D. = 14 kg

Tags

CCSS.HSS.ID.A.4

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