**Teachers' Salaries**The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find these probabilities of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and intermediate z value calculations to two decimal places.---**Part: 0 / 2**---**Part 1 of 2**(a) Between $28,800 and $41,400 a year\[ P(28,800 < X < 41,400) = \]---**Controls:**- There is an "X" button to delete the input.- There is a circular arrow button indicating a reset or refresh action. ---**Actions:**- You can skip to the next part by clicking "Skip Part."- To check your answer, click the "Check" button.- You can save your progress by clicking "Save For Later."- To submit your answers, click the "Submit" button in the bottom right corner.---© 2021 McGraw-Hill Education. All Rights Reserved. *Terms of Use* | *Privacy*

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Description: **Teachers' Salaries**The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find these probabilities of the earnings of a teacher selected randomly. Round the final an

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Teachers' Salaries The average annual salary for all U.S. teachers Is $47,750. Assume that the distributlon Is normal and the standard devlatlon Is $5680. Find these probablitles of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and Intermedlate z value calculations to two decimal places. Part: 0 / 2 Part 1 of 2 (a) Between $28,800 and $41,400 a year P (28,800

Teachers' Salaries The average annual salary for all U.S. teachers Is $47,750. Assume that the distributlon Is normal and the standard devlatlon Is $5680. Find these probablitles of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and Intermedlate z value calculations to two decimal places. Part: 0 / 2 Part 1 of 2 (a) Between $28,800 and $41,400 a year P (28,800

MATLAB: An Introduction with Applications

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

**Teachers' Salaries**

The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find these probabilities of the earnings of a teacher selected randomly. Round the final answers to at least four decimal places and intermediate z value calculations to two decimal places.

---

**Part: 0 / 2**

---

**Part 1 of 2**

(a) Between $28,800 and $41,400 a year

\[ P(28,800 < X < 41,400) = \]

---

**Controls:**

- There is an "X" button to delete the input.
- There is a circular arrow button indicating a reset or refresh action.

---

**Actions:**

- You can skip to the next part by clicking "Skip Part."
- To check your answer, click the "Check" button.
- You can save your progress by clicking "Save For Later."
- To submit your answers, click the "Submit" button in the bottom right corner.

---

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