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Normal Model- No Calculator Needed!!

Authored by Wendy Nosal

Mathematics

9th - 12th Grade

CCSS covered

Used 99+ times

Normal Model- No Calculator Needed!!
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22 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The average waist size for teenage males is 29 inches with a standard deviation of 2 inches. 
If waist sizes are normally distributed, determine the z-score of a teenage male with a 33 inch waist.  

2
1
-2
-1

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shape is a normal distribution curve?

Half curve
Round curve
Bell curve
Square curve

Tags

CCSS.HSS.ID.A.3

3.

MULTIPLE CHOICE QUESTION

45 sec • 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.HSF-LE.A.1B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The z-score represents.....

the amount of standard deviations a data value is above or below the mean.
the percentile the data value is above or below the mean.
the amount of standard deviations a data value is above or below the median.
the percent the data value is above or below the mean.

Tags

CCSS.HSS.ID.A.4

5.

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

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Adam's Z-score on a test is -0.5, What does this mean?

Adam scored 0.5 fewer points than the mean score.

Adam scored at the bottom 0.5%.

Adam scored 0.5 standard deviations below the average.

Adam earned 0.5 extra credit points.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where can we locate the mean in the normal curve?

to the left portion

to the right portion

at the center

on the z - axis

Tags

CCSS.HSS.ID.A.4

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