According to a recent reporting on a standardized test, the average math score for students in a particular state was 554. Assum the scores are Normally distributed with a standard deviation of 96. Answer parts (a) through (c) below including an appropriately labeled and shaded Normal curve for each part. ...
According to a recent reporting on a standardized test, the average math score for students in a particular state was 554. Assum the scores are Normally distributed with a standard deviation of 96. Answer parts (a) through (c) below including an appropriately labeled and shaded Normal curve for each part. ...
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
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The class I'm taking is statistics!
I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. I need help with all of part B. thank you in advance!
Transcribed Image Text:According to a recent report on a standardized test, the average math score for students in a particular state was 554. The scores are normally distributed with a standard deviation of 96. Answer the following questions with the labeled and shaded Normal curve for each part.
**a. The percentage that scored 600 or more is:**
- **Diagram Description:** The normal distribution curve shows scores ranging from 266 to 842 on the x-axis, with a vertical line at 600. The area under the curve from 600 to the right is shaded, representing those scoring 600 or more.
- **Answer:** 31.6% (Rounded to one decimal place as needed.)
**b. What percentage of math test takers from this state scored between 600 and 648?**
- **Diagram Description:** The normal distribution curve shows scores ranging from 266 to 842 on the x-axis, with vertical lines at 600 and 648. The area under the curve between these two points is shaded, depicting those scoring between 600 and 648.
- **Answer:** The exact percentage is not provided in the text extract; however, space is given to fill in the calculated value. (Round to one decimal place as needed.)
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