Normal Curve Distribution

Normal Curve Distribution

Assessment

Assessment

Created by

Donna Dahl

9th Grade

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15 questions

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1.

Multiple Choice

3 mins

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%

2.

Multiple Choice

3 mins

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 6 days or less?

68%

34%

16%

2.5%

3.

Multiple Choice

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.

4.

Multiple Choice

30 sec

1 pt

Media Image

1. Which best describes the shaded part of this normal distribution graph?

All data that is one or higher.

All data that is one or more standard deviations above the mean.

All data that is between 1 and 3.

All data that is above the mean.

5.

Multiple Choice

5 mins

1 pt

What shape is a normal distribution curve?

Half curve

Round curve

Bell curve

Square curve

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