Which statement is true? O A. 20% of her students are in the intermediate c O B. 15% of her students are girls. O C. 25% of her students are in the beginner class D. 60% of her students are boys.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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**Quiz Question: Analyzing Student Statistics**

**Question:**

Which statement is true?

**Options:**

A. 20% of her students are in the intermediate class.

B. 15% of her students are girls.

C. 25% of her students are in the beginner class.

D. 60% of her students are boys.

*Note: This question aims to test your understanding of statistical data related to a specific group of students. Consider each option carefully to determine which statement accurately reflects the given data.*
Transcribed Image Text:**Quiz Question: Analyzing Student Statistics** **Question:** Which statement is true? **Options:** A. 20% of her students are in the intermediate class. B. 15% of her students are girls. C. 25% of her students are in the beginner class. D. 60% of her students are boys. *Note: This question aims to test your understanding of statistical data related to a specific group of students. Consider each option carefully to determine which statement accurately reflects the given data.*
Miss Rose teaches three ballet classes. Her students' data are shown in the relative frequency table.

**Relative Frequency Table:**

|             | Beginner | Intermediate | Advanced | Total |
|-------------|----------|--------------|----------|-------|
| **Boys**    | 0.15     | 0.2          | 0.05     | 0.4   |
| **Girls**   | 0.1      | 0.35         | 0.15     | 0.6   |
| **Total**   | 0.25     | 0.55         | 0.2      | 1.0   |

**Diagram Explanation:**

- The table shows relative frequencies of boys and girls in three ballet class levels: Beginner, Intermediate, and Advanced.
- Each cell under "Beginner," "Intermediate," and "Advanced" represents the proportion of students in each category.
- The "Total" column shows the total relative frequency of boys and girls.
- Finally, the "Total" row represents the cumulative relative frequencies across all class levels for boys and girls combined, summing up to 1.0.

**Question:**
Which statement is true?
Transcribed Image Text:Miss Rose teaches three ballet classes. Her students' data are shown in the relative frequency table. **Relative Frequency Table:** | | Beginner | Intermediate | Advanced | Total | |-------------|----------|--------------|----------|-------| | **Boys** | 0.15 | 0.2 | 0.05 | 0.4 | | **Girls** | 0.1 | 0.35 | 0.15 | 0.6 | | **Total** | 0.25 | 0.55 | 0.2 | 1.0 | **Diagram Explanation:** - The table shows relative frequencies of boys and girls in three ballet class levels: Beginner, Intermediate, and Advanced. - Each cell under "Beginner," "Intermediate," and "Advanced" represents the proportion of students in each category. - The "Total" column shows the total relative frequency of boys and girls. - Finally, the "Total" row represents the cumulative relative frequencies across all class levels for boys and girls combined, summing up to 1.0. **Question:** Which statement is true?
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