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IDENTIFYING REGION

Authored by Raquel Molina

Mathematics

11th Grade

IDENTIFYING REGION
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the total area under the normal curve represent?

The variance of the data

The total probability, which is equal to 1

The range of the data

The mode of the distribution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which region under the normal curve represents the probability of a value being less than a given z-score?

Right tail

Left tail

Between two z-scores

  • Entire curve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of a value falling within one standard deviation from the mean in a normal distribution?

A. 50%

B. 68%

C. 95%

  • D. 99.7%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents the area under the normal curve for the standard normal distribution between z=−1z = -1z=−1 and z=1z = 1z=1?

A. 50%

B. 68%

C. 95%

  • D. 99.7%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a z-score is negative, where is the corresponding area located under the normal curve?

A. To the right of the mean

B. To the left of the mean

C. At the center

  • D. On both sides of the mean

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the area under the normal curve lies beyond two standard deviations from the mean?

A. 5%

B. 2.5%

C. 0.15%

  • D. 1%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes the region corresponding to P(Z>1.96)P(Z > 1.96)P(Z>1.96) in a standard normal distribution?

The area to the right of z=1.96z = 1.96z=1.96

The area to the left of z=1.96z = 1.96z=1.96

The total area under the curve

The area between z=−1.96z = -1.96z=−1.96 and z=1.96z = 1.96z=1.96

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