Normal Distributions and Central Limit Theorem

Normal Distributions and Central Limit Theorem

12th Grade

9 Qs

quiz-placeholder

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Normal Distributions and Central Limit Theorem

Normal Distributions and Central Limit Theorem

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A group of 625 students has a mean age of 15.8 years with a standard deviation of 0.6 years. The ages are normally distributed. What is the probability that a randomly selected student is older than 16.5 years old?

0.864

0.879

0.121

None of these

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mean of the sample means is equal to the mean of the population.

True

False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

These symbols represent the mean and standard deviation for which of the following distributions?

The Population

The Sample

The Sampling Distribution

The Parameter

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the area of the shaded region if the z-score is -0.3

0.6179

0.488

0.3783

0.3821

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

These symbols represent the mean and standard deviation for which of the following distributions?

The Population

The Sample

The Sampling Distribution

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mean of the sampling distribution?

400

40

25

8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the standard deviation of the sampling distribution?

400

40

25

8

5

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