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Review - Normal Distribution

Authored by Crystal Vest

Mathematics

12th Grade

CCSS covered

Used 4+ times

Review - Normal Distribution
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a factory, the weight of the concrete poured into a mold by a machine follows a normal distribution with a mean of 1150 pounds and a standard deviation of 22 pounds. Approximately 95% of molds filled by this machine will hold weights in what interval? 

1084 to 1216 pounds 
1106 to 1150 pounds 
1106 to 1194 pounds 
1128 to 1172 pounds

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Empirical Rule's percents are:

68-95.7-99

68-95-99.7

68.7-95-99

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

68% of the data lies within:

3 Standard Deviations of the Mean

2 Standard Deviations of the Mean

1 Standard Deviation of the Mean

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

95% of the data lies within:

3 Standard Deviations of the Mean

2 Standard Deviations of the Mean

1 Standard Deviation of the Mean

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

99.7% of the data lies within:

3 Standard Deviations of the Mean

2 Standard Deviations of the Mean

1 Standard Deviation of the Mean

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

3 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

2 mins • 1 pt

81.5%

68%

95%

84%

Tags

CCSS.HSS.ID.A.4

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