Applications with Standard Normal Distribution

Question 1

Explain how to use the standard normal table to find the probability associated with the shaded area under the curve.

Revolt · Accepted Answer

To find the probability of the shaded area between z 0.4 and z 1.9, first use the standard normal table to find the cumulative area to the left of z 1.9. Then, find the cumulative area to the left of z 0.4. Subtract the area for z 0.4 from the area for z 1.9 to find the probability of being within that specific interval.

Question 2

Did your answer include the following?

Revolt · Accepted Answer

The standard normal table gives areas under the curve to the left of z-scores.; Find the probability in the standard normal table that a value is to the left of 1.9.; Find the probability in the standard normal table that a value is to the left of 0.4.; Subtract the probability of a value being to the left of 0.4 from the probability of a value being to the left of 1.9.

Question 3

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Revolt · Accepted Answer

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Question 4

%

Revolt · Accepted Answer

8

Question 5

16%26%73%98%

Revolt · Accepted Answer

26%

Question 6

1.251.52.5

Revolt · Accepted Answer

1.25

Question 7

11%40%60%✔ 89%

Revolt · Accepted Answer

89%

Question 8

P(z > –2.1)1–P(z 2.1)

Revolt · Accepted Answer

1–P(z < 2.1)

Question 9

0.01790.58320.98211

Revolt · Accepted Answer

0.0179

Question 10

Which statement represents the percent of American adults with total cholesterol scores in the borderline-high range?

Revolt · Accepted Answer

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Applications with Standard Normal Distribution Answers

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