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Percents Normal Distribution

Authored by Anthony Clark

Mathematics

12th Grade

20 Questions

Percents Normal Distribution
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Sigma of P-Hat

Population Standard Deviation

Standard Deviation of the Sampling Distribution of Sample Means

Sample Percents of the Standard Deviation

Standard Deviation of the Sampling Distribution of Sample Proportions

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A test has a mean of 40 and a standard deviation of 10. What is the percent of people that scored between 32 and 43?

62.13%

40.61%

13.65%

100%

3.

MULTIPLE CHOICE QUESTION

1 min • 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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the area under the normal distribution curve that represents the area to the left of:

z = -2.37

0.0089

0.9910

0.1401

0.1381

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This data is normally distributed. What percent of the data is in the shaded regions?

5%

95%

2.5%

50%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

SAT scores in New York are approximately Normally distributed with a mean of 1050 and a standard deviation of 55.

About 2.5% of all test scores are less than what score?

942

1050

885

992

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

SAT scores in New York are approximately Normally distributed with a mean of 1050 and a standard deviation of 55. About 2.5% of all test scores are less than what score?

940

1050

885

995

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