An article suggests the uniform distribution on the interval from 7.5 to 20 as a model for x = depth (in centimeters) of the bioturbation layer in sediment for a certain region. (a) Draw the density curve for x. Density 0.10 0.08 0.06 0.04 0.02 Density 0.10 0.08 0.06 0.04 8 0.02 8 10 10 12 12 14 14 (b) What is the height of the density curve? 16 18 16 18 (c) What is the probability that x is at most 12? P(x ≤ 12) = 20 لسبب 20 X Density 0.10 0.08 0.06 0.04 0.02 Density 0.10 0.08 0.06 0.04 8 0.02 8 10 10 12 14 16 18 2 12 14 16 18 2

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**Uniform Distribution in Bioturbation Layer Depths**

An article suggests the uniform distribution on the interval from 7.5 to 20 as a model for \( x = \) depth (in centimeters) of the bioturbation layer in sediment for a certain region.

### (a) Draw the Density Curve for \( x \).

Four graphs are shown, each with the horizontal axis labeled from 8 to 20 and the vertical axis labeled "Density" from 0 to 0.10. Each graph depicts a different horizontal line representing the uniform distribution:

1. First graph: The line is at a height of 0.08.
2. Second graph: The line is at the height of 0.06.
3. Third graph: The line is at the height of 0.07.
4. Fourth graph: The line is at the height of 0.05.

Only one circle next to each graph can be selected to indicate the correct density curve.

### (b) What is the Height of the Density Curve?

This section provides a blank space for students to write the height of the correct density curve.

### (c) What is the Probability that \( x \) is at Most 12?

\[ P(x \leq 12) = \]
There is a blank space for students to compute and input the probability that \( x \) is at most 12.

### (d) What is the Probability that \( x \) is between 10 and 16?

\[ P(10 \leq x \leq 16) = \]
Another blank space is provided for students to calculate and enter the probability for this range.

### (e) What is the Probability that \( x \) is between 11 and 17?

\[ P(11 \leq x \leq 17) = \]
Students are expected to fill in the probability for this specified interval.

### (f) Why are the Two Probabilities Computed in Parts (d) and (e) Equal?

Students are presented with multiple-choice options to explain why the probabilities in parts (d) and (e) are equal:

- The two probabilities are equal because they are represented on the graph by rectangles of equal width and equal height.
- The two probabilities are equal because they begin at the same x-value.
- The two probabilities are equal because their midpoints are at the same x-value.
- The two probabilities are equal
Transcribed Image Text:**Uniform Distribution in Bioturbation Layer Depths** An article suggests the uniform distribution on the interval from 7.5 to 20 as a model for \( x = \) depth (in centimeters) of the bioturbation layer in sediment for a certain region. ### (a) Draw the Density Curve for \( x \). Four graphs are shown, each with the horizontal axis labeled from 8 to 20 and the vertical axis labeled "Density" from 0 to 0.10. Each graph depicts a different horizontal line representing the uniform distribution: 1. First graph: The line is at a height of 0.08. 2. Second graph: The line is at the height of 0.06. 3. Third graph: The line is at the height of 0.07. 4. Fourth graph: The line is at the height of 0.05. Only one circle next to each graph can be selected to indicate the correct density curve. ### (b) What is the Height of the Density Curve? This section provides a blank space for students to write the height of the correct density curve. ### (c) What is the Probability that \( x \) is at Most 12? \[ P(x \leq 12) = \] There is a blank space for students to compute and input the probability that \( x \) is at most 12. ### (d) What is the Probability that \( x \) is between 10 and 16? \[ P(10 \leq x \leq 16) = \] Another blank space is provided for students to calculate and enter the probability for this range. ### (e) What is the Probability that \( x \) is between 11 and 17? \[ P(11 \leq x \leq 17) = \] Students are expected to fill in the probability for this specified interval. ### (f) Why are the Two Probabilities Computed in Parts (d) and (e) Equal? Students are presented with multiple-choice options to explain why the probabilities in parts (d) and (e) are equal: - The two probabilities are equal because they are represented on the graph by rectangles of equal width and equal height. - The two probabilities are equal because they begin at the same x-value. - The two probabilities are equal because their midpoints are at the same x-value. - The two probabilities are equal
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