Normal Distributions and Inverse Normal Distributions

Normal Distributions and Inverse Normal Distributions

12th Grade

15 Qs

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Normal Distributions and Inverse Normal Distributions

Normal Distributions and Inverse Normal Distributions

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

CCSS
HSF-LE.A.1B

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds.  What is the z-score for a player who runs a time of 5.6 seconds?

-1.33

1.33

0.88

1.02

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5.  What proportion of weeks would you expect to have less than 5 accidents?

0.6915

0.1762

0.8238

-0.93

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5.  What proportion of weeks would you expect to have more than 7 accidents?

0.3446

0.2856

0.4

0.6554

4.

DRAG AND DROP QUESTION

1 min • 10 pts

​ The monthly income of 5000 workers at the Microsoft plant are distributed normally. Suppose the mean monthly income is $1250 and the standard deviation is $250.


Creating a normal distribution curve shows that the amount of workers who earn less than $750 per month is ​ (a)  

800 workers

125 workers

81.5% of workers

97.5% of workers

5.

DRAG AND DROP QUESTION

1 min • 10 pts

​ The monthly income of 5000 workers at the Microsoft plant are distributed normally. Suppose the mean monthly income is $1250 and the standard deviation is $250.


Creating a normal distribution curve shows that the amount of workers who earn more than $1500 per month is ​ (a)  

800 workers

125 workers

81.5% of workers

97.5% of workers

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of distribution is pictured?

Right skewed

Left skewed

Random

Normal

7.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

The green normal distribution curve has a standard deviation of 20. Does the purple normal distribution curve have a standard deviation that is larger or smaller than 20?​ (a)  

larger

smaller

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