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Exam Review #4

Exam Review #4

Assessment

Flashcard

Mathematics

11th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a normal distribution?

Back

A normal distribution is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

2.

FLASHCARD QUESTION

Front

What shape is another name for a normal distribution?

Back

Bell curve.

3.

FLASHCARD QUESTION

Front

What percentage of data falls within one standard deviation of the mean in a normal distribution?

Back

68%.

4.

FLASHCARD QUESTION

Front

What percentage of data falls within two standard deviations of the mean in a normal distribution?

Back

95%.

5.

FLASHCARD QUESTION

Front

What percentage of data falls within three standard deviations of the mean in a normal distribution?

Back

99.7%.

6.

FLASHCARD QUESTION

Front

If a data set is normally distributed, what is the probability of a value being greater than the mean?

Back

50%.

7.

FLASHCARD QUESTION

Front

In a normal distribution, what does the area under the curve represent?

Back

The total probability of all outcomes, which equals 1.

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